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Finding the Fourth Proportional to 80,659.72, 120,884.46 and 41,183.56

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Solution

The fourth proportional to 80,659.72, 120,884.46 and 41,183.56 is: 61,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.72 : 120,884.46 = 41,183.56 : x
  2. Step 2: Convert to fraction form
    80,659.72/120,884.46 = 41,183.56/x
  3. Step 3: Cross multiply
    80,659.72x = 120,884.46 × 41,183.56
  4. Step 4: Simplify right side
    80,659.72x = 4,978,452,411.48
  5. Step 5: Solve for x
    x = 4,978,452,411.48/80,659.72
  6. Step 6: Final answer
    x = 61,721.67

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