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Finding the Fourth Proportional to 73,142.90, 100,931.73 and 41,311.70

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Solution

The fourth proportional to 73,142.90, 100,931.73 and 41,311.70 is: 57,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.90 : 100,931.73 = 41,311.70 : x
  2. Step 2: Convert to fraction form
    73,142.90/100,931.73 = 41,311.70/x
  3. Step 3: Cross multiply
    73,142.90x = 100,931.73 × 41,311.70
  4. Step 4: Simplify right side
    73,142.90x = 4,169,661,350.24
  5. Step 5: Solve for x
    x = 4,169,661,350.24/73,142.90
  6. Step 6: Final answer
    x = 57,007.06

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