Home / 89,767.13-123,878.96-49,480.02

Finding the Fourth Proportional to 89,767.13, 123,878.96 and 49,480.02

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Solution

The fourth proportional to 89,767.13, 123,878.96 and 49,480.02 is: 68,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.13 : 123,878.96 = 49,480.02 : x
  2. Step 2: Convert to fraction form
    89,767.13/123,878.96 = 49,480.02/x
  3. Step 3: Cross multiply
    89,767.13x = 123,878.96 × 49,480.02
  4. Step 4: Simplify right side
    89,767.13x = 6,129,533,170.98
  5. Step 5: Solve for x
    x = 6,129,533,170.98/89,767.13
  6. Step 6: Final answer
    x = 68,282.61

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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.