Home / 69,447.06-95,831.97-40,767.90

Finding the Fourth Proportional to 69,447.06, 95,831.97 and 40,767.90

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Solution

The fourth proportional to 69,447.06, 95,831.97 and 40,767.90 is: 56,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.06 : 95,831.97 = 40,767.90 : x
  2. Step 2: Convert to fraction form
    69,447.06/95,831.97 = 40,767.90/x
  3. Step 3: Cross multiply
    69,447.06x = 95,831.97 × 40,767.90
  4. Step 4: Simplify right side
    69,447.06x = 3,906,868,169.76
  5. Step 5: Solve for x
    x = 3,906,868,169.76/69,447.06
  6. Step 6: Final answer
    x = 56,256.78

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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.