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Finding the Fourth Proportional to 63,854.46, 88,041.11 and 39,939.62

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Solution

The fourth proportional to 63,854.46, 88,041.11 and 39,939.62 is: 55,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,854.46 : 88,041.11 = 39,939.62 : x
  2. Step 2: Convert to fraction form
    63,854.46/88,041.11 = 39,939.62/x
  3. Step 3: Cross multiply
    63,854.46x = 88,041.11 × 39,939.62
  4. Step 4: Simplify right side
    63,854.46x = 3,516,327,837.87
  5. Step 5: Solve for x
    x = 3,516,327,837.87/63,854.46
  6. Step 6: Final answer
    x = 55,067.85

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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.