Home / 115,614.20-173,432.82-31,375.74

Finding the Fourth Proportional to 115,614.20, 173,432.82 and 31,375.74

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Solution

The fourth proportional to 115,614.20, 173,432.82 and 31,375.74 is: 47,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,614.20 : 173,432.82 = 31,375.74 : x
  2. Step 2: Convert to fraction form
    115,614.20/173,432.82 = 31,375.74/x
  3. Step 3: Cross multiply
    115,614.20x = 173,432.82 × 31,375.74
  4. Step 4: Simplify right side
    115,614.20x = 5,441,583,067.79
  5. Step 5: Solve for x
    x = 5,441,583,067.79/115,614.20
  6. Step 6: Final answer
    x = 47,066.74

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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.