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Finding the Fourth Proportional to 82,815.60, 124,223.40 and 41,343.60

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Solution

The fourth proportional to 82,815.60, 124,223.40 and 41,343.60 is: 62,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.60 : 124,223.40 = 41,343.60 : x
  2. Step 2: Convert to fraction form
    82,815.60/124,223.40 = 41,343.60/x
  3. Step 3: Cross multiply
    82,815.60x = 124,223.40 × 41,343.60
  4. Step 4: Simplify right side
    82,815.60x = 5,135,842,560.24
  5. Step 5: Solve for x
    x = 5,135,842,560.24/82,815.60
  6. Step 6: Final answer
    x = 62,015.40

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