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Finding the Fourth Proportional to 74,103.89, 111,122.21 and 31,964.04

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Solution

The fourth proportional to 74,103.89, 111,122.21 and 31,964.04 is: 47,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.89 : 111,122.21 = 31,964.04 : x
  2. Step 2: Convert to fraction form
    74,103.89/111,122.21 = 31,964.04/x
  3. Step 3: Cross multiply
    74,103.89x = 111,122.21 × 31,964.04
  4. Step 4: Simplify right side
    74,103.89x = 3,551,914,845.24
  5. Step 5: Solve for x
    x = 3,551,914,845.24/74,103.89
  6. Step 6: Final answer
    x = 47,931.56

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