Home / 66,886.61-92,306.43-40,023.97

Finding the Fourth Proportional to 66,886.61, 92,306.43 and 40,023.97

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Solution

The fourth proportional to 66,886.61, 92,306.43 and 40,023.97 is: 55,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.61 : 92,306.43 = 40,023.97 : x
  2. Step 2: Convert to fraction form
    66,886.61/92,306.43 = 40,023.97/x
  3. Step 3: Cross multiply
    66,886.61x = 92,306.43 × 40,023.97
  4. Step 4: Simplify right side
    66,886.61x = 3,694,469,785.13
  5. Step 5: Solve for x
    x = 3,694,469,785.13/66,886.61
  6. Step 6: Final answer
    x = 55,234.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.