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Finding the Fourth Proportional to 76,680.54, 115,065.36 and 32,304.42

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Solution

The fourth proportional to 76,680.54, 115,065.36 and 32,304.42 is: 48,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,680.54 : 115,065.36 = 32,304.42 : x
  2. Step 2: Convert to fraction form
    76,680.54/115,065.36 = 32,304.42/x
  3. Step 3: Cross multiply
    76,680.54x = 115,065.36 × 32,304.42
  4. Step 4: Simplify right side
    76,680.54x = 3,717,119,716.89
  5. Step 5: Solve for x
    x = 3,717,119,716.89/76,680.54
  6. Step 6: Final answer
    x = 48,475.40

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