Finding the Fourth Proportional to 88,760.26, 122,489.60 and 48,474.01
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Solution
The fourth proportional to 88,760.26, 122,489.60 and 48,474.01 is: 66,894.38
Step by Step Solution
- Step 1: Write the proportion equation
88,760.26 : 122,489.60 = 48,474.01 : x - Step 2: Convert to fraction form
88,760.26/122,489.60 = 48,474.01/x - Step 3: Cross multiply
88,760.26x = 122,489.60 × 48,474.01 - Step 4: Simplify right side
88,760.26x = 5,937,562,278.70 - Step 5: Solve for x
x = 5,937,562,278.70/88,760.26 - Step 6: Final answer
x = 66,894.38
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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.