Finding the Fourth Proportional to 88,170.32, 132,229.56 and 48,720.08
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Solution
The fourth proportional to 88,170.32, 132,229.56 and 48,720.08 is: 73,065.80
Step by Step Solution
- Step 1: Write the proportion equation
88,170.32 : 132,229.56 = 48,720.08 : x - Step 2: Convert to fraction form
88,170.32/132,229.56 = 48,720.08/x - Step 3: Cross multiply
88,170.32x = 132,229.56 × 48,720.08 - Step 4: Simplify right side
88,170.32x = 6,442,234,741.56 - Step 5: Solve for x
x = 6,442,234,741.56/88,170.32 - Step 6: Final answer
x = 73,065.80
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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.