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Finding the Fourth Proportional to 88,820.80, 133,231.20 and 47,348.80

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Solution

The fourth proportional to 88,820.80, 133,231.20 and 47,348.80 is: 71,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,820.80 : 133,231.20 = 47,348.80 : x
  2. Step 2: Convert to fraction form
    88,820.80/133,231.20 = 47,348.80/x
  3. Step 3: Cross multiply
    88,820.80x = 133,231.20 × 47,348.80
  4. Step 4: Simplify right side
    88,820.80x = 6,308,337,442.56
  5. Step 5: Solve for x
    x = 6,308,337,442.56/88,820.80
  6. Step 6: Final answer
    x = 71,023.20

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