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Finding the Fourth Proportional to 54,336.60, 81,723.60 and 48,650.40

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Solution

The fourth proportional to 54,336.60, 81,723.60 and 48,650.40 is: 73,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.60 : 81,723.60 = 48,650.40 : x
  2. Step 2: Convert to fraction form
    54,336.60/81,723.60 = 48,650.40/x
  3. Step 3: Cross multiply
    54,336.60x = 81,723.60 × 48,650.40
  4. Step 4: Simplify right side
    54,336.60x = 3,975,885,829.44
  5. Step 5: Solve for x
    x = 3,975,885,829.44/54,336.60
  6. Step 6: Final answer
    x = 73,171.41

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