Home / 82,545.71-123,834.56-35,159.90

Finding the Fourth Proportional to 82,545.71, 123,834.56 and 35,159.90

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Solution

The fourth proportional to 82,545.71, 123,834.56 and 35,159.90 is: 52,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545.71 : 123,834.56 = 35,159.90 : x
  2. Step 2: Convert to fraction form
    82,545.71/123,834.56 = 35,159.90/x
  3. Step 3: Cross multiply
    82,545.71x = 123,834.56 × 35,159.90
  4. Step 4: Simplify right side
    82,545.71x = 4,354,009,951.17
  5. Step 5: Solve for x
    x = 4,354,009,951.17/82,545.71
  6. Step 6: Final answer
    x = 52,746.66

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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.