Home / 89,746.11-123,850.49-49,461.30

Finding the Fourth Proportional to 89,746.11, 123,850.49 and 49,461.30

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Solution

The fourth proportional to 89,746.11, 123,850.49 and 49,461.30 is: 68,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,746.11 : 123,850.49 = 49,461.30 : x
  2. Step 2: Convert to fraction form
    89,746.11/123,850.49 = 49,461.30/x
  3. Step 3: Cross multiply
    89,746.11x = 123,850.49 × 49,461.30
  4. Step 4: Simplify right side
    89,746.11x = 6,125,805,993.73
  5. Step 5: Solve for x
    x = 6,125,805,993.73/89,746.11
  6. Step 6: Final answer
    x = 68,257.06

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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.