Home / 49,879.35-68,831.37-27,217.78

Finding the Fourth Proportional to 49,879.35, 68,831.37 and 27,217.78

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Solution

The fourth proportional to 49,879.35, 68,831.37 and 27,217.78 is: 37,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,879.35 : 68,831.37 = 27,217.78 : x
  2. Step 2: Convert to fraction form
    49,879.35/68,831.37 = 27,217.78/x
  3. Step 3: Cross multiply
    49,879.35x = 68,831.37 × 27,217.78
  4. Step 4: Simplify right side
    49,879.35x = 1,873,436,913.68
  5. Step 5: Solve for x
    x = 1,873,436,913.68/49,879.35
  6. Step 6: Final answer
    x = 37,559.37

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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.