Home / 89,827.92-123,960.96-49,545.54

Finding the Fourth Proportional to 89,827.92, 123,960.96 and 49,545.54

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Solution

The fourth proportional to 89,827.92, 123,960.96 and 49,545.54 is: 68,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.92 : 123,960.96 = 49,545.54 : x
  2. Step 2: Convert to fraction form
    89,827.92/123,960.96 = 49,545.54/x
  3. Step 3: Cross multiply
    89,827.92x = 123,960.96 × 49,545.54
  4. Step 4: Simplify right side
    89,827.92x = 6,141,712,702.12
  5. Step 5: Solve for x
    x = 6,141,712,702.12/89,827.92
  6. Step 6: Final answer
    x = 68,371.98

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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.