Home / 89,576.98-123,617.11-49,291.61

Finding the Fourth Proportional to 89,576.98, 123,617.11 and 49,291.61

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Solution

The fourth proportional to 89,576.98, 123,617.11 and 49,291.61 is: 68,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.98 : 123,617.11 = 49,291.61 : x
  2. Step 2: Convert to fraction form
    89,576.98/123,617.11 = 49,291.61/x
  3. Step 3: Cross multiply
    89,576.98x = 123,617.11 × 49,291.61
  4. Step 4: Simplify right side
    89,576.98x = 6,093,285,510.90
  5. Step 5: Solve for x
    x = 6,093,285,510.90/89,576.98
  6. Step 6: Final answer
    x = 68,022.90

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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.