Finding the Fourth Proportional to 88,725.32, 122,438.96 and 48,437.52
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Solution
The fourth proportional to 88,725.32, 122,438.96 and 48,437.52 is: 66,842.70
Step by Step Solution
- Step 1: Write the proportion equation
88,725.32 : 122,438.96 = 48,437.52 : x - Step 2: Convert to fraction form
88,725.32/122,438.96 = 48,437.52/x - Step 3: Cross multiply
88,725.32x = 122,438.96 × 48,437.52 - Step 4: Simplify right side
88,725.32x = 5,930,639,573.78 - Step 5: Solve for x
x = 5,930,639,573.78/88,725.32 - Step 6: Final answer
x = 66,842.70
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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.