Finding the Fourth Proportional to 88,515.10, 122,149.29 and 48,229.19
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Solution
The fourth proportional to 88,515.10, 122,149.29 and 48,229.19 is: 66,555.44
Step by Step Solution
- Step 1: Write the proportion equation
88,515.10 : 122,149.29 = 48,229.19 : x - Step 2: Convert to fraction form
88,515.10/122,149.29 = 48,229.19/x - Step 3: Cross multiply
88,515.10x = 122,149.29 × 48,229.19 - Step 4: Simplify right side
88,515.10x = 5,891,161,572.98 - Step 5: Solve for x
x = 5,891,161,572.98/88,515.10 - Step 6: Final answer
x = 66,555.44
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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.