Finding the Fourth Proportional to 93,914.20, 129,614.88 and 58,115.75
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Solution
The fourth proportional to 93,914.20, 129,614.88 and 58,115.75 is: 80,207.95
Step by Step Solution
- Step 1: Write the proportion equation
93,914.20 : 129,614.88 = 58,115.75 : x - Step 2: Convert to fraction form
93,914.20/129,614.88 = 58,115.75/x - Step 3: Cross multiply
93,914.20x = 129,614.88 × 58,115.75 - Step 4: Simplify right side
93,914.20x = 7,532,665,532.22 - Step 5: Solve for x
x = 7,532,665,532.22/93,914.20 - Step 6: Final answer
x = 80,207.95
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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.