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Finding the Fourth Proportional to 87,043.97, 120,109.94 and 53,040.07

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Solution

The fourth proportional to 87,043.97, 120,109.94 and 53,040.07 is: 73,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.97 : 120,109.94 = 53,040.07 : x
  2. Step 2: Convert to fraction form
    87,043.97/120,109.94 = 53,040.07/x
  3. Step 3: Cross multiply
    87,043.97x = 120,109.94 × 53,040.07
  4. Step 4: Simplify right side
    87,043.97x = 6,370,639,360.10
  5. Step 5: Solve for x
    x = 6,370,639,360.10/87,043.97
  6. Step 6: Final answer
    x = 73,188.75

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