Home / 82,481.09-123,720.11-26,320.75

Finding the Fourth Proportional to 82,481.09, 123,720.11 and 26,320.75

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Solution

The fourth proportional to 82,481.09, 123,720.11 and 26,320.75 is: 39,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481.09 : 123,720.11 = 26,320.75 : x
  2. Step 2: Convert to fraction form
    82,481.09/123,720.11 = 26,320.75/x
  3. Step 3: Cross multiply
    82,481.09x = 123,720.11 × 26,320.75
  4. Step 4: Simplify right side
    82,481.09x = 3,256,405,743.08
  5. Step 5: Solve for x
    x = 3,256,405,743.08/82,481.09
  6. Step 6: Final answer
    x = 39,480.64

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