Home / 87,195.43-130,805.45-28,011.26

Finding the Fourth Proportional to 87,195.43, 130,805.45 and 28,011.26

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Solution

The fourth proportional to 87,195.43, 130,805.45 and 28,011.26 is: 42,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.43 : 130,805.45 = 28,011.26 : x
  2. Step 2: Convert to fraction form
    87,195.43/130,805.45 = 28,011.26/x
  3. Step 3: Cross multiply
    87,195.43x = 130,805.45 × 28,011.26
  4. Step 4: Simplify right side
    87,195.43x = 3,664,025,329.31
  5. Step 5: Solve for x
    x = 3,664,025,329.31/87,195.43
  6. Step 6: Final answer
    x = 42,020.84

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