Finding the Fourth Proportional to 107,605.70, 161,414.37 and 32,720.09
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Solution
The fourth proportional to 107,605.70, 161,414.37 and 32,720.09 is: 49,081.90
Step by Step Solution
- Step 1: Write the proportion equation
107,605.70 : 161,414.37 = 32,720.09 : x - Step 2: Convert to fraction form
107,605.70/161,414.37 = 32,720.09/x - Step 3: Cross multiply
107,605.70x = 161,414.37 × 32,720.09 - Step 4: Simplify right side
107,605.70x = 5,281,491,906.62 - Step 5: Solve for x
x = 5,281,491,906.62/107,605.70 - Step 6: Final answer
x = 49,081.90
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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.