Home / 89,546.59-123,542.52-55,519.90

Finding the Fourth Proportional to 89,546.59, 123,542.52 and 55,519.90

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Solution

The fourth proportional to 89,546.59, 123,542.52 and 55,519.90 is: 76,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,546.59 : 123,542.52 = 55,519.90 : x
  2. Step 2: Convert to fraction form
    89,546.59/123,542.52 = 55,519.90/x
  3. Step 3: Cross multiply
    89,546.59x = 123,542.52 × 55,519.90
  4. Step 4: Simplify right side
    89,546.59x = 6,859,068,356.15
  5. Step 5: Solve for x
    x = 6,859,068,356.15/89,546.59
  6. Step 6: Final answer
    x = 76,597.76

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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.