Finding the Fourth Proportional to 107,839.87, 161,753.91 and 32,959.99
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Solution
The fourth proportional to 107,839.87, 161,753.91 and 32,959.99 is: 49,438.18
Step by Step Solution
- Step 1: Write the proportion equation
107,839.87 : 161,753.91 = 32,959.99 : x - Step 2: Convert to fraction form
107,839.87/161,753.91 = 32,959.99/x - Step 3: Cross multiply
107,839.87x = 161,753.91 × 32,959.99 - Step 4: Simplify right side
107,839.87x = 5,331,407,256.06 - Step 5: Solve for x
x = 5,331,407,256.06/107,839.87 - Step 6: Final answer
x = 49,438.18
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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.