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Finding the Fourth Proportional to 80,935.80, 121,403.70 and 25,531.80

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Solution

The fourth proportional to 80,935.80, 121,403.70 and 25,531.80 is: 38,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,935.80 : 121,403.70 = 25,531.80 : x
  2. Step 2: Convert to fraction form
    80,935.80/121,403.70 = 25,531.80/x
  3. Step 3: Cross multiply
    80,935.80x = 121,403.70 × 25,531.80
  4. Step 4: Simplify right side
    80,935.80x = 3,099,654,987.66
  5. Step 5: Solve for x
    x = 3,099,654,987.66/80,935.80
  6. Step 6: Final answer
    x = 38,297.70

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