Finding the Fourth Proportional to 71,167.23, 106,750.71 and 66,836.97
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Solution
The fourth proportional to 71,167.23, 106,750.71 and 66,836.97 is: 100,255.33
Step by Step Solution
- Step 1: Write the proportion equation
71,167.23 : 106,750.71 = 66,836.97 : x - Step 2: Convert to fraction form
71,167.23/106,750.71 = 66,836.97/x - Step 3: Cross multiply
71,167.23x = 106,750.71 × 66,836.97 - Step 4: Simplify right side
71,167.23x = 7,134,894,001.75 - Step 5: Solve for x
x = 7,134,894,001.75/71,167.23 - Step 6: Final answer
x = 100,255.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.