Home / 71,867.41-99,177.15-40,037.44

Finding the Fourth Proportional to 71,867.41, 99,177.15 and 40,037.44

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Solution

The fourth proportional to 71,867.41, 99,177.15 and 40,037.44 is: 55,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,867.41 : 99,177.15 = 40,037.44 : x
  2. Step 2: Convert to fraction form
    71,867.41/99,177.15 = 40,037.44/x
  3. Step 3: Cross multiply
    71,867.41x = 99,177.15 × 40,037.44
  4. Step 4: Simplify right side
    71,867.41x = 3,970,799,192.50
  5. Step 5: Solve for x
    x = 3,970,799,192.50/71,867.41
  6. Step 6: Final answer
    x = 55,251.74

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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.