Home / 89,731.18-123,873.87-69,542.74

Finding the Fourth Proportional to 89,731.18, 123,873.87 and 69,542.74

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Solution

The fourth proportional to 89,731.18, 123,873.87 and 69,542.74 is: 96,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731.18 : 123,873.87 = 69,542.74 : x
  2. Step 2: Convert to fraction form
    89,731.18/123,873.87 = 69,542.74/x
  3. Step 3: Cross multiply
    89,731.18x = 123,873.87 × 69,542.74
  4. Step 4: Simplify right side
    89,731.18x = 8,614,528,334.20
  5. Step 5: Solve for x
    x = 8,614,528,334.20/89,731.18
  6. Step 6: Final answer
    x = 96,003.73

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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.