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Finding the Fourth Proportional to 87,887.90, 121,282.70 and 49,649.24

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Solution

The fourth proportional to 87,887.90, 121,282.70 and 49,649.24 is: 68,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,887.90 : 121,282.70 = 49,649.24 : x
  2. Step 2: Convert to fraction form
    87,887.90/121,282.70 = 49,649.24/x
  3. Step 3: Cross multiply
    87,887.90x = 121,282.70 × 49,649.24
  4. Step 4: Simplify right side
    87,887.90x = 6,021,593,880.15
  5. Step 5: Solve for x
    x = 6,021,593,880.15/87,887.90
  6. Step 6: Final answer
    x = 68,514.48

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