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Finding the Fourth Proportional to 70,115.29, 105,173.21 and 17,524.83

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Solution

The fourth proportional to 70,115.29, 105,173.21 and 17,524.83 is: 26,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,115.29 : 105,173.21 = 17,524.83 : x
  2. Step 2: Convert to fraction form
    70,115.29/105,173.21 = 17,524.83/x
  3. Step 3: Cross multiply
    70,115.29x = 105,173.21 × 17,524.83
  4. Step 4: Simplify right side
    70,115.29x = 1,843,142,625.80
  5. Step 5: Solve for x
    x = 1,843,142,625.80/70,115.29
  6. Step 6: Final answer
    x = 26,287.31

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