Finding the Fourth Proportional to 88,336.17, 121,882.12 and 54,350.19
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Solution
The fourth proportional to 88,336.17, 121,882.12 and 54,350.19 is: 74,989.85
Step by Step Solution
- Step 1: Write the proportion equation
88,336.17 : 121,882.12 = 54,350.19 : x - Step 2: Convert to fraction form
88,336.17/121,882.12 = 54,350.19/x - Step 3: Cross multiply
88,336.17x = 121,882.12 × 54,350.19 - Step 4: Simplify right side
88,336.17x = 6,624,316,243.73 - Step 5: Solve for x
x = 6,624,316,243.73/88,336.17 - Step 6: Final answer
x = 74,989.85
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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.