Home / 74,067.57-111,115.17-29,697.79

Finding the Fourth Proportional to 74,067.57, 111,115.17 and 29,697.79

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Solution

The fourth proportional to 74,067.57, 111,115.17 and 29,697.79 is: 44,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,067.57 : 111,115.17 = 29,697.79 : x
  2. Step 2: Convert to fraction form
    74,067.57/111,115.17 = 29,697.79/x
  3. Step 3: Cross multiply
    74,067.57x = 111,115.17 × 29,697.79
  4. Step 4: Simplify right side
    74,067.57x = 3,299,874,984.47
  5. Step 5: Solve for x
    x = 3,299,874,984.47/74,067.57
  6. Step 6: Final answer
    x = 44,552.22

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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.