Home / 49,876.83-68,831.78-28,652.13

Finding the Fourth Proportional to 49,876.83, 68,831.78 and 28,652.13

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Solution

The fourth proportional to 49,876.83, 68,831.78 and 28,652.13 is: 39,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.83 : 68,831.78 = 28,652.13 : x
  2. Step 2: Convert to fraction form
    49,876.83/68,831.78 = 28,652.13/x
  3. Step 3: Cross multiply
    49,876.83x = 68,831.78 × 28,652.13
  4. Step 4: Simplify right side
    49,876.83x = 1,972,176,965.43
  5. Step 5: Solve for x
    x = 1,972,176,965.43/49,876.83
  6. Step 6: Final answer
    x = 39,540.94

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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.