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Finding the Fourth Proportional to 82,628.24, 123,943.16 and 32,720.49

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Solution

The fourth proportional to 82,628.24, 123,943.16 and 32,720.49 is: 49,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.24 : 123,943.16 = 32,720.49 : x
  2. Step 2: Convert to fraction form
    82,628.24/123,943.16 = 32,720.49/x
  3. Step 3: Cross multiply
    82,628.24x = 123,943.16 × 32,720.49
  4. Step 4: Simplify right side
    82,628.24x = 4,055,481,009.15
  5. Step 5: Solve for x
    x = 4,055,481,009.15/82,628.24
  6. Step 6: Final answer
    x = 49,081.06

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