Home / 73,174.24-109,761.90-20,589.04

Finding the Fourth Proportional to 73,174.24, 109,761.90 and 20,589.04

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Solution

The fourth proportional to 73,174.24, 109,761.90 and 20,589.04 is: 30,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,174.24 : 109,761.90 = 20,589.04 : x
  2. Step 2: Convert to fraction form
    73,174.24/109,761.90 = 20,589.04/x
  3. Step 3: Cross multiply
    73,174.24x = 109,761.90 × 20,589.04
  4. Step 4: Simplify right side
    73,174.24x = 2,259,892,149.58
  5. Step 5: Solve for x
    x = 2,259,892,149.58/73,174.24
  6. Step 6: Final answer
    x = 30,883.71

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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.