Home / 89,747.19-123,845.56-49,458.70

Finding the Fourth Proportional to 89,747.19, 123,845.56 and 49,458.70

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Solution

The fourth proportional to 89,747.19, 123,845.56 and 49,458.70 is: 68,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.19 : 123,845.56 = 49,458.70 : x
  2. Step 2: Convert to fraction form
    89,747.19/123,845.56 = 49,458.70/x
  3. Step 3: Cross multiply
    89,747.19x = 123,845.56 × 49,458.70
  4. Step 4: Simplify right side
    89,747.19x = 6,125,240,429.53
  5. Step 5: Solve for x
    x = 6,125,240,429.53/89,747.19
  6. Step 6: Final answer
    x = 68,249.94

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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.