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Finding the Fourth Proportional to 54,321.60, 81,701.10 and 48,635.40

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Solution

The fourth proportional to 54,321.60, 81,701.10 and 48,635.40 is: 73,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.60 : 81,701.10 = 48,635.40 : x
  2. Step 2: Convert to fraction form
    54,321.60/81,701.10 = 48,635.40/x
  3. Step 3: Cross multiply
    54,321.60x = 81,701.10 × 48,635.40
  4. Step 4: Simplify right side
    54,321.60x = 3,973,565,678.94
  5. Step 5: Solve for x
    x = 3,973,565,678.94/54,321.60
  6. Step 6: Final answer
    x = 73,148.91

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