Home / 49,882.50-68,837.85-28,661.31

Finding the Fourth Proportional to 49,882.50, 68,837.85 and 28,661.31

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Solution

The fourth proportional to 49,882.50, 68,837.85 and 28,661.31 is: 39,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,882.50 : 68,837.85 = 28,661.31 : x
  2. Step 2: Convert to fraction form
    49,882.50/68,837.85 = 28,661.31/x
  3. Step 3: Cross multiply
    49,882.50x = 68,837.85 × 28,661.31
  4. Step 4: Simplify right side
    49,882.50x = 1,972,982,958.58
  5. Step 5: Solve for x
    x = 1,972,982,958.58/49,882.50
  6. Step 6: Final answer
    x = 39,552.61

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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.