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Finding the Fourth Proportional to 87,506.16, 120,755.76 and 49,267.86

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Solution

The fourth proportional to 87,506.16, 120,755.76 and 49,267.86 is: 67,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.16 : 120,755.76 = 49,267.86 : x
  2. Step 2: Convert to fraction form
    87,506.16/120,755.76 = 49,267.86/x
  3. Step 3: Cross multiply
    87,506.16x = 120,755.76 × 49,267.86
  4. Step 4: Simplify right side
    87,506.16x = 5,949,377,877.87
  5. Step 5: Solve for x
    x = 5,949,377,877.87/87,506.16
  6. Step 6: Final answer
    x = 67,988.10

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