Finding the Fourth Proportional to 88,721.52, 122,434.56 and 48,435.96
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Solution
The fourth proportional to 88,721.52, 122,434.56 and 48,435.96 is: 66,841.00
Step by Step Solution
- Step 1: Write the proportion equation
88,721.52 : 122,434.56 = 48,435.96 : x - Step 2: Convert to fraction form
88,721.52/122,434.56 = 48,435.96/x - Step 3: Cross multiply
88,721.52x = 122,434.56 × 48,435.96 - Step 4: Simplify right side
88,721.52x = 5,930,235,450.78 - Step 5: Solve for x
x = 5,930,235,450.78/88,721.52 - Step 6: Final answer
x = 66,841.00
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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.