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Finding the Fourth Proportional to 87,640.60, 131,525.70 and 58,048.60

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Solution

The fourth proportional to 87,640.60, 131,525.70 and 58,048.60 is: 87,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,640.60 : 131,525.70 = 58,048.60 : x
  2. Step 2: Convert to fraction form
    87,640.60/131,525.70 = 58,048.60/x
  3. Step 3: Cross multiply
    87,640.60x = 131,525.70 × 58,048.60
  4. Step 4: Simplify right side
    87,640.60x = 7,634,882,749.02
  5. Step 5: Solve for x
    x = 7,634,882,749.02/87,640.60
  6. Step 6: Final answer
    x = 87,115.82

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