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Finding the Fourth Proportional to 70,321.44, 105,340.82 and 32,829.78

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Solution

The fourth proportional to 70,321.44, 105,340.82 and 32,829.78 is: 49,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.44 : 105,340.82 = 32,829.78 : x
  2. Step 2: Convert to fraction form
    70,321.44/105,340.82 = 32,829.78/x
  3. Step 3: Cross multiply
    70,321.44x = 105,340.82 × 32,829.78
  4. Step 4: Simplify right side
    70,321.44x = 3,458,315,781.47
  5. Step 5: Solve for x
    x = 3,458,315,781.47/70,321.44
  6. Step 6: Final answer
    x = 49,178.68

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