Home / 115,065.08-158,708.01-76,805.33

Finding the Fourth Proportional to 115,065.08, 158,708.01 and 76,805.33

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Solution

The fourth proportional to 115,065.08, 158,708.01 and 76,805.33 is: 105,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,065.08 : 158,708.01 = 76,805.33 : x
  2. Step 2: Convert to fraction form
    115,065.08/158,708.01 = 76,805.33/x
  3. Step 3: Cross multiply
    115,065.08x = 158,708.01 × 76,805.33
  4. Step 4: Simplify right side
    115,065.08x = 12,189,621,081.69
  5. Step 5: Solve for x
    x = 12,189,621,081.69/115,065.08
  6. Step 6: Final answer
    x = 105,936.75

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