Home / 89,545.77-123,571.16-49,258.65

Finding the Fourth Proportional to 89,545.77, 123,571.16 and 49,258.65

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Solution

The fourth proportional to 89,545.77, 123,571.16 and 49,258.65 is: 67,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.77 : 123,571.16 = 49,258.65 : x
  2. Step 2: Convert to fraction form
    89,545.77/123,571.16 = 49,258.65/x
  3. Step 3: Cross multiply
    89,545.77x = 123,571.16 × 49,258.65
  4. Step 4: Simplify right side
    89,545.77x = 6,086,948,520.53
  5. Step 5: Solve for x
    x = 6,086,948,520.53/89,545.77
  6. Step 6: Final answer
    x = 67,975.84

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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.