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Finding the Fourth Proportional to 53,537.80, 80,306.70 and 49,649.80

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Solution

The fourth proportional to 53,537.80, 80,306.70 and 49,649.80 is: 74,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,537.80 : 80,306.70 = 49,649.80 : x
  2. Step 2: Convert to fraction form
    53,537.80/80,306.70 = 49,649.80/x
  3. Step 3: Cross multiply
    53,537.80x = 80,306.70 × 49,649.80
  4. Step 4: Simplify right side
    53,537.80x = 3,987,211,593.66
  5. Step 5: Solve for x
    x = 3,987,211,593.66/53,537.80
  6. Step 6: Final answer
    x = 74,474.70

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