Home / 71,371.38-106,972.02-29,249.76

Finding the Fourth Proportional to 71,371.38, 106,972.02 and 29,249.76

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Solution

The fourth proportional to 71,371.38, 106,972.02 and 29,249.76 is: 43,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.38 : 106,972.02 = 29,249.76 : x
  2. Step 2: Convert to fraction form
    71,371.38/106,972.02 = 29,249.76/x
  3. Step 3: Cross multiply
    71,371.38x = 106,972.02 × 29,249.76
  4. Step 4: Simplify right side
    71,371.38x = 3,128,905,911.72
  5. Step 5: Solve for x
    x = 3,128,905,911.72/71,371.38
  6. Step 6: Final answer
    x = 43,839.78

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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.