Home / 89,607.68-123,657.62-49,320.57

Finding the Fourth Proportional to 89,607.68, 123,657.62 and 49,320.57

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Solution

The fourth proportional to 89,607.68, 123,657.62 and 49,320.57 is: 68,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.68 : 123,657.62 = 49,320.57 : x
  2. Step 2: Convert to fraction form
    89,607.68/123,657.62 = 49,320.57/x
  3. Step 3: Cross multiply
    89,607.68x = 123,657.62 × 49,320.57
  4. Step 4: Simplify right side
    89,607.68x = 6,098,864,520.36
  5. Step 5: Solve for x
    x = 6,098,864,520.36/89,607.68
  6. Step 6: Final answer
    x = 68,061.85

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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.