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Finding the Fourth Proportional to 76,960.40, 115,440.60 and 32,572.40

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Solution

The fourth proportional to 76,960.40, 115,440.60 and 32,572.40 is: 48,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.40 : 115,440.60 = 32,572.40 : x
  2. Step 2: Convert to fraction form
    76,960.40/115,440.60 = 32,572.40/x
  3. Step 3: Cross multiply
    76,960.40x = 115,440.60 × 32,572.40
  4. Step 4: Simplify right side
    76,960.40x = 3,760,177,399.44
  5. Step 5: Solve for x
    x = 3,760,177,399.44/76,960.40
  6. Step 6: Final answer
    x = 48,858.60

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