Finding the Fourth Proportional to 71,898.96, 107,559.36 and 62,142.96
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Solution
The fourth proportional to 71,898.96, 107,559.36 and 62,142.96 is: 92,964.59
Step by Step Solution
- Step 1: Write the proportion equation
71,898.96 : 107,559.36 = 62,142.96 : x - Step 2: Convert to fraction form
71,898.96/107,559.36 = 62,142.96/x - Step 3: Cross multiply
71,898.96x = 107,559.36 × 62,142.96 - Step 4: Simplify right side
71,898.96x = 6,684,057,006.11 - Step 5: Solve for x
x = 6,684,057,006.11/71,898.96 - Step 6: Final answer
x = 92,964.59
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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.