Home / 49,992.28-68,979.06-29,842.72

Finding the Fourth Proportional to 49,992.28, 68,979.06 and 29,842.72

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Solution

The fourth proportional to 49,992.28, 68,979.06 and 29,842.72 is: 41,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992.28 : 68,979.06 = 29,842.72 : x
  2. Step 2: Convert to fraction form
    49,992.28/68,979.06 = 29,842.72/x
  3. Step 3: Cross multiply
    49,992.28x = 68,979.06 × 29,842.72
  4. Step 4: Simplify right side
    49,992.28x = 2,058,522,773.44
  5. Step 5: Solve for x
    x = 2,058,522,773.44/49,992.28
  6. Step 6: Final answer
    x = 41,176.81

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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.