Certainly possible. I've lost 60 in roughly 3 months a few years back but I did it the wrong way (starving myself). I looked anorexic and weak at the end, do not recommend. Keep your protein intake high daily while being in a calorie deficit, and move more. Hit the gym 3-5x a week to retain muscle during the cut and if you stay consistent you should be able to drop 50 in 6 months.
Edit: I didn't have any loose skin at the end of my cut back then, went from 215 to 155. 5'9 male. If you build muscle or have muscle already, your chances of having loose skin decrease.