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Finding the Fourth Proportional to 87,262.10, 120,414.60 and 49,019.57

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Solution

The fourth proportional to 87,262.10, 120,414.60 and 49,019.57 is: 67,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.10 : 120,414.60 = 49,019.57 : x
  2. Step 2: Convert to fraction form
    87,262.10/120,414.60 = 49,019.57/x
  3. Step 3: Cross multiply
    87,262.10x = 120,414.60 × 49,019.57
  4. Step 4: Simplify right side
    87,262.10x = 5,902,671,763.20
  5. Step 5: Solve for x
    x = 5,902,671,763.20/87,262.10
  6. Step 6: Final answer
    x = 67,643.02

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