Home / 73,781.28-110,442.81-39,963.30

Finding the Fourth Proportional to 73,781.28, 110,442.81 and 39,963.30

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Solution

The fourth proportional to 73,781.28, 110,442.81 and 39,963.30 is: 59,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.28 : 110,442.81 = 39,963.30 : x
  2. Step 2: Convert to fraction form
    73,781.28/110,442.81 = 39,963.30/x
  3. Step 3: Cross multiply
    73,781.28x = 110,442.81 × 39,963.30
  4. Step 4: Simplify right side
    73,781.28x = 4,413,659,148.87
  5. Step 5: Solve for x
    x = 4,413,659,148.87/73,781.28
  6. Step 6: Final answer
    x = 59,820.85

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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.