Home / 57,132.90-85,689.36-22,043.70

Finding the Fourth Proportional to 57,132.90, 85,689.36 and 22,043.70

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Solution

The fourth proportional to 57,132.90, 85,689.36 and 22,043.70 is: 33,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.90 : 85,689.36 = 22,043.70 : x
  2. Step 2: Convert to fraction form
    57,132.90/85,689.36 = 22,043.70/x
  3. Step 3: Cross multiply
    57,132.90x = 85,689.36 × 22,043.70
  4. Step 4: Simplify right side
    57,132.90x = 1,888,910,545.03
  5. Step 5: Solve for x
    x = 1,888,910,545.03/57,132.90
  6. Step 6: Final answer
    x = 33,061.70

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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.