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Finding the Fourth Proportional to 82,716.20, 124,074.30 and 73,530.80

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Solution

The fourth proportional to 82,716.20, 124,074.30 and 73,530.80 is: 110,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716.20 : 124,074.30 = 73,530.80 : x
  2. Step 2: Convert to fraction form
    82,716.20/124,074.30 = 73,530.80/x
  3. Step 3: Cross multiply
    82,716.20x = 124,074.30 × 73,530.80
  4. Step 4: Simplify right side
    82,716.20x = 9,123,282,538.44
  5. Step 5: Solve for x
    x = 9,123,282,538.44/82,716.20
  6. Step 6: Final answer
    x = 110,296.20

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