Finding the Fourth Proportional to 88,362.32, 132,489.96 and 39,666.68
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Solution
The fourth proportional to 88,362.32, 132,489.96 and 39,666.68 is: 59,475.99
Step by Step Solution
- Step 1: Write the proportion equation
88,362.32 : 132,489.96 = 39,666.68 : x - Step 2: Convert to fraction form
88,362.32/132,489.96 = 39,666.68/x - Step 3: Cross multiply
88,362.32x = 132,489.96 × 39,666.68 - Step 4: Simplify right side
88,362.32x = 5,255,436,846.53 - Step 5: Solve for x
x = 5,255,436,846.53/88,362.32 - Step 6: Final answer
x = 59,475.99
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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.