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Finding the Fourth Proportional to 87,324.50, 120,507.81 and 47,580.50

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Solution

The fourth proportional to 87,324.50, 120,507.81 and 47,580.50 is: 65,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324.50 : 120,507.81 = 47,580.50 : x
  2. Step 2: Convert to fraction form
    87,324.50/120,507.81 = 47,580.50/x
  3. Step 3: Cross multiply
    87,324.50x = 120,507.81 × 47,580.50
  4. Step 4: Simplify right side
    87,324.50x = 5,733,821,853.71
  5. Step 5: Solve for x
    x = 5,733,821,853.71/87,324.50
  6. Step 6: Final answer
    x = 65,661.09

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