Home / 89,847.60-123,997.08-49,565.08

Finding the Fourth Proportional to 89,847.60, 123,997.08 and 49,565.08

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Solution

The fourth proportional to 89,847.60, 123,997.08 and 49,565.08 is: 68,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.60 : 123,997.08 = 49,565.08 : x
  2. Step 2: Convert to fraction form
    89,847.60/123,997.08 = 49,565.08/x
  3. Step 3: Cross multiply
    89,847.60x = 123,997.08 × 49,565.08
  4. Step 4: Simplify right side
    89,847.60x = 6,145,925,189.97
  5. Step 5: Solve for x
    x = 6,145,925,189.97/89,847.60
  6. Step 6: Final answer
    x = 68,403.89

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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.