Home / 89,607.92-123,657.41-49,320.86

Finding the Fourth Proportional to 89,607.92, 123,657.41 and 49,320.86

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Solution

The fourth proportional to 89,607.92, 123,657.41 and 49,320.86 is: 68,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,607.92 : 123,657.41 = 49,320.86 : x
  2. Step 2: Convert to fraction form
    89,607.92/123,657.41 = 49,320.86/x
  3. Step 3: Cross multiply
    89,607.92x = 123,657.41 × 49,320.86
  4. Step 4: Simplify right side
    89,607.92x = 6,098,888,941.68
  5. Step 5: Solve for x
    x = 6,098,888,941.68/89,607.92
  6. Step 6: Final answer
    x = 68,061.94

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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.