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Finding the Fourth Proportional to 82,706.20, 124,059.30 and 73,520.80

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Solution

The fourth proportional to 82,706.20, 124,059.30 and 73,520.80 is: 110,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,706.20 : 124,059.30 = 73,520.80 : x
  2. Step 2: Convert to fraction form
    82,706.20/124,059.30 = 73,520.80/x
  3. Step 3: Cross multiply
    82,706.20x = 124,059.30 × 73,520.80
  4. Step 4: Simplify right side
    82,706.20x = 9,120,938,983.44
  5. Step 5: Solve for x
    x = 9,120,938,983.44/82,706.20
  6. Step 6: Final answer
    x = 110,281.20

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