Home / 83,717.28-125,453.04-42,107.04

Finding the Fourth Proportional to 83,717.28, 125,453.04 and 42,107.04

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Solution

The fourth proportional to 83,717.28, 125,453.04 and 42,107.04 is: 63,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,717.28 : 125,453.04 = 42,107.04 : x
  2. Step 2: Convert to fraction form
    83,717.28/125,453.04 = 42,107.04/x
  3. Step 3: Cross multiply
    83,717.28x = 125,453.04 × 42,107.04
  4. Step 4: Simplify right side
    83,717.28x = 5,282,456,173.40
  5. Step 5: Solve for x
    x = 5,282,456,173.40/83,717.28
  6. Step 6: Final answer
    x = 63,098.76

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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.