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Finding the Fourth Proportional to 81,940.75, 122,958.91 and 34,552.91

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Solution

The fourth proportional to 81,940.75, 122,958.91 and 34,552.91 is: 51,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,940.75 : 122,958.91 = 34,552.91 : x
  2. Step 2: Convert to fraction form
    81,940.75/122,958.91 = 34,552.91/x
  3. Step 3: Cross multiply
    81,940.75x = 122,958.91 × 34,552.91
  4. Step 4: Simplify right side
    81,940.75x = 4,248,588,501.52
  5. Step 5: Solve for x
    x = 4,248,588,501.52/81,940.75
  6. Step 6: Final answer
    x = 51,849.52

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