if 40 = 75% what is 100%

thanks u guys

40 / 75% =40 / 0.75 =53 1/3 is 100%.

$\frac{40}{x} = \frac{75}{100} \\~\\ 40 = \frac{75x}{100} \\~\\ 4000 = 75x \\~\\ 53\frac{1}{3} = x$