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Finding the Fourth Proportional to 78,819.60, 118,229.40 and 32,048.40

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Solution

The fourth proportional to 78,819.60, 118,229.40 and 32,048.40 is: 48,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,819.60 : 118,229.40 = 32,048.40 : x
  2. Step 2: Convert to fraction form
    78,819.60/118,229.40 = 32,048.40/x
  3. Step 3: Cross multiply
    78,819.60x = 118,229.40 × 32,048.40
  4. Step 4: Simplify right side
    78,819.60x = 3,789,063,102.96
  5. Step 5: Solve for x
    x = 3,789,063,102.96/78,819.60
  6. Step 6: Final answer
    x = 48,072.60

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