Home / 117,257.78-175,869.66-38,375.12

Finding the Fourth Proportional to 117,257.78, 175,869.66 and 38,375.12

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Solution

The fourth proportional to 117,257.78, 175,869.66 and 38,375.12 is: 57,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,257.78 : 175,869.66 = 38,375.12 : x
  2. Step 2: Convert to fraction form
    117,257.78/175,869.66 = 38,375.12/x
  3. Step 3: Cross multiply
    117,257.78x = 175,869.66 × 38,375.12
  4. Step 4: Simplify right side
    117,257.78x = 6,749,019,306.86
  5. Step 5: Solve for x
    x = 6,749,019,306.86/117,257.78
  6. Step 6: Final answer
    x = 57,557.11

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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.