Home / 83,905.38-125,831.34-27,735

Finding the Fourth Proportional to 83,905.38, 125,831.34 and 27,735

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Solution

The fourth proportional to 83,905.38, 125,831.34 and 27,735 is: 41,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.38 : 125,831.34 = 27,735 : x
  2. Step 2: Convert to fraction form
    83,905.38/125,831.34 = 27,735/x
  3. Step 3: Cross multiply
    83,905.38x = 125,831.34 × 27,735
  4. Step 4: Simplify right side
    83,905.38x = 3,489,932,214.90
  5. Step 5: Solve for x
    x = 3,489,932,214.90/83,905.38
  6. Step 6: Final answer
    x = 41,593.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.