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Finding the Fourth Proportional to 67,246.88, 100,841.13 and 22,861.70

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Solution

The fourth proportional to 67,246.88, 100,841.13 and 22,861.70 is: 34,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.88 : 100,841.13 = 22,861.70 : x
  2. Step 2: Convert to fraction form
    67,246.88/100,841.13 = 22,861.70/x
  3. Step 3: Cross multiply
    67,246.88x = 100,841.13 × 22,861.70
  4. Step 4: Simplify right side
    67,246.88x = 2,305,399,661.72
  5. Step 5: Solve for x
    x = 2,305,399,661.72/67,246.88
  6. Step 6: Final answer
    x = 34,282.63

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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.