Home / 67,249.38-100,889.82-37,687.62

Finding the Fourth Proportional to 67,249.38, 100,889.82 and 37,687.62

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Solution

The fourth proportional to 67,249.38, 100,889.82 and 37,687.62 is: 56,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,249.38 : 100,889.82 = 37,687.62 : x
  2. Step 2: Convert to fraction form
    67,249.38/100,889.82 = 37,687.62/x
  3. Step 3: Cross multiply
    67,249.38x = 100,889.82 × 37,687.62
  4. Step 4: Simplify right side
    67,249.38x = 3,802,297,198.03
  5. Step 5: Solve for x
    x = 3,802,297,198.03/67,249.38
  6. Step 6: Final answer
    x = 56,540.26

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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.