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Finding the Fourth Proportional to 70,684.80, 105,949.44 and 29,109.12

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Solution

The fourth proportional to 70,684.80, 105,949.44 and 29,109.12 is: 43,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.80 : 105,949.44 = 29,109.12 : x
  2. Step 2: Convert to fraction form
    70,684.80/105,949.44 = 29,109.12/x
  3. Step 3: Cross multiply
    70,684.80x = 105,949.44 × 29,109.12
  4. Step 4: Simplify right side
    70,684.80x = 3,084,094,962.89
  5. Step 5: Solve for x
    x = 3,084,094,962.89/70,684.80
  6. Step 6: Final answer
    x = 43,631.66

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