If $\dfrac{4y^4}{3} = y^5$, then $y$ is equal to

Question

$\begin{array}{1 1} (a)\; \dfrac{3}{4} \\ (b)\; \dfrac{4}{3} \\ (c)\; \dfrac{-3}{4} \\ (d)\; \dfrac{-4}{3} \end{array}$