Finding the Fourth Proportional to 73,392.96, 101,282.88 and 39,859.20
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Solution
The fourth proportional to 73,392.96, 101,282.88 and 39,859.20 is: 55,006.02
Step by Step Solution
- Step 1: Write the proportion equation
73,392.96 : 101,282.88 = 39,859.20 : x - Step 2: Convert to fraction form
73,392.96/101,282.88 = 39,859.20/x - Step 3: Cross multiply
73,392.96x = 101,282.88 × 39,859.20 - Step 4: Simplify right side
73,392.96x = 4,037,054,570.50 - Step 5: Solve for x
x = 4,037,054,570.50/73,392.96 - Step 6: Final answer
x = 55,006.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.