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Finding the Fourth Proportional to 53,906.30, 80,859.45 and 49,240.70

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Solution

The fourth proportional to 53,906.30, 80,859.45 and 49,240.70 is: 73,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.30 : 80,859.45 = 49,240.70 : x
  2. Step 2: Convert to fraction form
    53,906.30/80,859.45 = 49,240.70/x
  3. Step 3: Cross multiply
    53,906.30x = 80,859.45 × 49,240.70
  4. Step 4: Simplify right side
    53,906.30x = 3,981,575,919.62
  5. Step 5: Solve for x
    x = 3,981,575,919.62/53,906.30
  6. Step 6: Final answer
    x = 73,861.05

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