Finding the Fourth Proportional to 88,393.62, 121,984.14 and 48,108.24
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Solution
The fourth proportional to 88,393.62, 121,984.14 and 48,108.24 is: 66,389.89
Step by Step Solution
- Step 1: Write the proportion equation
88,393.62 : 121,984.14 = 48,108.24 : x - Step 2: Convert to fraction form
88,393.62/121,984.14 = 48,108.24/x - Step 3: Cross multiply
88,393.62x = 121,984.14 × 48,108.24 - Step 4: Simplify right side
88,393.62x = 5,868,442,283.31 - Step 5: Solve for x
x = 5,868,442,283.31/88,393.62 - Step 6: Final answer
x = 66,389.89
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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.