Home / 67,543.20-101,320.56-17,629.92

Finding the Fourth Proportional to 67,543.20, 101,320.56 and 17,629.92

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Solution

The fourth proportional to 67,543.20, 101,320.56 and 17,629.92 is: 26,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.20 : 101,320.56 = 17,629.92 : x
  2. Step 2: Convert to fraction form
    67,543.20/101,320.56 = 17,629.92/x
  3. Step 3: Cross multiply
    67,543.20x = 101,320.56 × 17,629.92
  4. Step 4: Simplify right side
    67,543.20x = 1,786,273,367.16
  5. Step 5: Solve for x
    x = 1,786,273,367.16/67,543.20
  6. Step 6: Final answer
    x = 26,446.38

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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.