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Finding the Fourth Proportional to 67,025.10, 100,406.13 and 54,558.54

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Solution

The fourth proportional to 67,025.10, 100,406.13 and 54,558.54 is: 81,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,025.10 : 100,406.13 = 54,558.54 : x
  2. Step 2: Convert to fraction form
    67,025.10/100,406.13 = 54,558.54/x
  3. Step 3: Cross multiply
    67,025.10x = 100,406.13 × 54,558.54
  4. Step 4: Simplify right side
    67,025.10x = 5,478,011,859.85
  5. Step 5: Solve for x
    x = 5,478,011,859.85/67,025.10
  6. Step 6: Final answer
    x = 81,730.75

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