Finding the Fourth Proportional to 88,787.76, 122,522.08 and 48,493.52
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Solution
The fourth proportional to 88,787.76, 122,522.08 and 48,493.52 is: 66,918.31
Step by Step Solution
- Step 1: Write the proportion equation
88,787.76 : 122,522.08 = 48,493.52 : x - Step 2: Convert to fraction form
88,787.76/122,522.08 = 48,493.52/x - Step 3: Cross multiply
88,787.76x = 122,522.08 × 48,493.52 - Step 4: Simplify right side
88,787.76x = 5,941,526,936.92 - Step 5: Solve for x
x = 5,941,526,936.92/88,787.76 - Step 6: Final answer
x = 66,918.31
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1.5x scale
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.