Home / 71,565.12-107,184.20-34,151.48

Finding the Fourth Proportional to 71,565.12, 107,184.20 and 34,151.48

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Solution

The fourth proportional to 71,565.12, 107,184.20 and 34,151.48 is: 51,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,565.12 : 107,184.20 = 34,151.48 : x
  2. Step 2: Convert to fraction form
    71,565.12/107,184.20 = 34,151.48/x
  3. Step 3: Cross multiply
    71,565.12x = 107,184.20 × 34,151.48
  4. Step 4: Simplify right side
    71,565.12x = 3,660,498,355.94
  5. Step 5: Solve for x
    x = 3,660,498,355.94/71,565.12
  6. Step 6: Final answer
    x = 51,149.20

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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.