Home / 89,977.83-124,168.97-49,691.41

Finding the Fourth Proportional to 89,977.83, 124,168.97 and 49,691.41

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Solution

The fourth proportional to 89,977.83, 124,168.97 and 49,691.41 is: 68,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.83 : 124,168.97 = 49,691.41 : x
  2. Step 2: Convert to fraction form
    89,977.83/124,168.97 = 49,691.41/x
  3. Step 3: Cross multiply
    89,977.83x = 124,168.97 × 49,691.41
  4. Step 4: Simplify right side
    89,977.83x = 6,170,131,011.35
  5. Step 5: Solve for x
    x = 6,170,131,011.35/89,977.83
  6. Step 6: Final answer
    x = 68,573.91

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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.