Home / 74,103.76-111,176.45-29,761.65

Finding the Fourth Proportional to 74,103.76, 111,176.45 and 29,761.65

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Solution

The fourth proportional to 74,103.76, 111,176.45 and 29,761.65 is: 44,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.76 : 111,176.45 = 29,761.65 : x
  2. Step 2: Convert to fraction form
    74,103.76/111,176.45 = 29,761.65/x
  3. Step 3: Cross multiply
    74,103.76x = 111,176.45 × 29,761.65
  4. Step 4: Simplify right side
    74,103.76x = 3,308,794,593.14
  5. Step 5: Solve for x
    x = 3,308,794,593.14/74,103.76
  6. Step 6: Final answer
    x = 44,650.83

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1.5x scale

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.