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Finding the Fourth Proportional to 85,468.95, 117,954.05 and 47,231.87

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Solution

The fourth proportional to 85,468.95, 117,954.05 and 47,231.87 is: 65,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,468.95 : 117,954.05 = 47,231.87 : x
  2. Step 2: Convert to fraction form
    85,468.95/117,954.05 = 47,231.87/x
  3. Step 3: Cross multiply
    85,468.95x = 117,954.05 × 47,231.87
  4. Step 4: Simplify right side
    85,468.95x = 5,571,189,529.64
  5. Step 5: Solve for x
    x = 5,571,189,529.64/85,468.95
  6. Step 6: Final answer
    x = 65,183.78

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