Home / 89,545.78-123,576.40-49,262.64

Finding the Fourth Proportional to 89,545.78, 123,576.40 and 49,262.64

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Solution

The fourth proportional to 89,545.78, 123,576.40 and 49,262.64 is: 67,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.78 : 123,576.40 = 49,262.64 : x
  2. Step 2: Convert to fraction form
    89,545.78/123,576.40 = 49,262.64/x
  3. Step 3: Cross multiply
    89,545.78x = 123,576.40 × 49,262.64
  4. Step 4: Simplify right side
    89,545.78x = 6,087,699,705.70
  5. Step 5: Solve for x
    x = 6,087,699,705.70/89,545.78
  6. Step 6: Final answer
    x = 67,984.22

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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.