Finding the Fourth Proportional to 107,691.73, 161,545.39 and 32,811.68
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Solution
The fourth proportional to 107,691.73, 161,545.39 and 32,811.68 is: 49,219.90
Step by Step Solution
- Step 1: Write the proportion equation
107,691.73 : 161,545.39 = 32,811.68 : x - Step 2: Convert to fraction form
107,691.73/161,545.39 = 32,811.68/x - Step 3: Cross multiply
107,691.73x = 161,545.39 × 32,811.68 - Step 4: Simplify right side
107,691.73x = 5,300,575,963.99 - Step 5: Solve for x
x = 5,300,575,963.99/107,691.73 - Step 6: Final answer
x = 49,219.90
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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.