Home / 107,586.40-161,401.20-32,711.20

Finding the Fourth Proportional to 107,586.40, 161,401.20 and 32,711.20

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Solution

The fourth proportional to 107,586.40, 161,401.20 and 32,711.20 is: 49,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,586.40 : 161,401.20 = 32,711.20 : x
  2. Step 2: Convert to fraction form
    107,586.40/161,401.20 = 32,711.20/x
  3. Step 3: Cross multiply
    107,586.40x = 161,401.20 × 32,711.20
  4. Step 4: Simplify right side
    107,586.40x = 5,279,626,933.44
  5. Step 5: Solve for x
    x = 5,279,626,933.44/107,586.40
  6. Step 6: Final answer
    x = 49,073.37

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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.