Finding the Fourth Proportional to 93,861.10, 129,537.62 and 53,580.92
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Solution
The fourth proportional to 93,861.10, 129,537.62 and 53,580.92 is: 73,946.98
Step by Step Solution
- Step 1: Write the proportion equation
93,861.10 : 129,537.62 = 53,580.92 : x - Step 2: Convert to fraction form
93,861.10/129,537.62 = 53,580.92/x - Step 3: Cross multiply
93,861.10x = 129,537.62 × 53,580.92 - Step 4: Simplify right side
93,861.10x = 6,940,744,854.21 - Step 5: Solve for x
x = 6,940,744,854.21/93,861.10 - Step 6: Final answer
x = 73,946.98
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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.