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Finding the Fourth Proportional to 82,712.80, 124,069.20 and 23,550.40

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Solution

The fourth proportional to 82,712.80, 124,069.20 and 23,550.40 is: 35,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.80 : 124,069.20 = 23,550.40 : x
  2. Step 2: Convert to fraction form
    82,712.80/124,069.20 = 23,550.40/x
  3. Step 3: Cross multiply
    82,712.80x = 124,069.20 × 23,550.40
  4. Step 4: Simplify right side
    82,712.80x = 2,921,879,287.68
  5. Step 5: Solve for x
    x = 2,921,879,287.68/82,712.80
  6. Step 6: Final answer
    x = 35,325.60

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