Finding the Fourth Proportional to 88,744.20, 122,471.96 and 48,461.70
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Solution
The fourth proportional to 88,744.20, 122,471.96 and 48,461.70 is: 66,879.85
Step by Step Solution
- Step 1: Write the proportion equation
88,744.20 : 122,471.96 = 48,461.70 : x - Step 2: Convert to fraction form
88,744.20/122,471.96 = 48,461.70/x - Step 3: Cross multiply
88,744.20x = 122,471.96 × 48,461.70 - Step 4: Simplify right side
88,744.20x = 5,935,199,141.62 - Step 5: Solve for x
x = 5,935,199,141.62/88,744.20 - Step 6: Final answer
x = 66,879.85
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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.