Finding the Fourth Proportional to 71,390.08, 107,151.60 and 36,356.08
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Solution
The fourth proportional to 71,390.08, 107,151.60 and 36,356.08 is: 54,567.98
Step by Step Solution
- Step 1: Write the proportion equation
71,390.08 : 107,151.60 = 36,356.08 : x - Step 2: Convert to fraction form
71,390.08/107,151.60 = 36,356.08/x - Step 3: Cross multiply
71,390.08x = 107,151.60 × 36,356.08 - Step 4: Simplify right side
71,390.08x = 3,895,612,141.73 - Step 5: Solve for x
x = 3,895,612,141.73/71,390.08 - Step 6: Final answer
x = 54,567.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.