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Finding the Fourth Proportional to 60,125.92, 90,198.10 and 43,610.65

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Solution

The fourth proportional to 60,125.92, 90,198.10 and 43,610.65 is: 65,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,125.92 : 90,198.10 = 43,610.65 : x
  2. Step 2: Convert to fraction form
    60,125.92/90,198.10 = 43,610.65/x
  3. Step 3: Cross multiply
    60,125.92x = 90,198.10 × 43,610.65
  4. Step 4: Simplify right side
    60,125.92x = 3,933,597,318.77
  5. Step 5: Solve for x
    x = 3,933,597,318.77/60,125.92
  6. Step 6: Final answer
    x = 65,422.66

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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.