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Finding the Fourth Proportional to 82,708.20, 124,062.30 and 73,522.80

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Solution

The fourth proportional to 82,708.20, 124,062.30 and 73,522.80 is: 110,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,708.20 : 124,062.30 = 73,522.80 : x
  2. Step 2: Convert to fraction form
    82,708.20/124,062.30 = 73,522.80/x
  3. Step 3: Cross multiply
    82,708.20x = 124,062.30 × 73,522.80
  4. Step 4: Simplify right side
    82,708.20x = 9,121,407,670.44
  5. Step 5: Solve for x
    x = 9,121,407,670.44/82,708.20
  6. Step 6: Final answer
    x = 110,284.20

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