Finding the Fourth Proportional to 115,042.64, 172,330.68 and 59,522
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Solution
The fourth proportional to 115,042.64, 172,330.68 and 59,522 is: 89,162.30
Step by Step Solution
- Step 1: Write the proportion equation
115,042.64 : 172,330.68 = 59,522 : x - Step 2: Convert to fraction form
115,042.64/172,330.68 = 59,522/x - Step 3: Cross multiply
115,042.64x = 172,330.68 × 59,522 - Step 4: Simplify right side
115,042.64x = 10,257,466,734.96 - Step 5: Solve for x
x = 10,257,466,734.96/115,042.64 - Step 6: Final answer
x = 89,162.30
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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.