Home / 107,679.38-161,542.15-32,805.56

Finding the Fourth Proportional to 107,679.38, 161,542.15 and 32,805.56

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Solution

The fourth proportional to 107,679.38, 161,542.15 and 32,805.56 is: 49,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,679.38 : 161,542.15 = 32,805.56 : x
  2. Step 2: Convert to fraction form
    107,679.38/161,542.15 = 32,805.56/x
  3. Step 3: Cross multiply
    107,679.38x = 161,542.15 × 32,805.56
  4. Step 4: Simplify right side
    107,679.38x = 5,299,480,348.90
  5. Step 5: Solve for x
    x = 5,299,480,348.90/107,679.38
  6. Step 6: Final answer
    x = 49,215.37

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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.