Home / 73,821.10-110,731.65-68,863.90

Finding the Fourth Proportional to 73,821.10, 110,731.65 and 68,863.90

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Solution

The fourth proportional to 73,821.10, 110,731.65 and 68,863.90 is: 103,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.10 : 110,731.65 = 68,863.90 : x
  2. Step 2: Convert to fraction form
    73,821.10/110,731.65 = 68,863.90/x
  3. Step 3: Cross multiply
    73,821.10x = 110,731.65 × 68,863.90
  4. Step 4: Simplify right side
    73,821.10x = 7,625,413,272.44
  5. Step 5: Solve for x
    x = 7,625,413,272.44/73,821.10
  6. Step 6: Final answer
    x = 103,295.85

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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.