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Finding the Fourth Proportional to 48,469.20, 72,703.80 and 48,123.60

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Solution

The fourth proportional to 48,469.20, 72,703.80 and 48,123.60 is: 72,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,469.20 : 72,703.80 = 48,123.60 : x
  2. Step 2: Convert to fraction form
    48,469.20/72,703.80 = 48,123.60/x
  3. Step 3: Cross multiply
    48,469.20x = 72,703.80 × 48,123.60
  4. Step 4: Simplify right side
    48,469.20x = 3,498,768,589.68
  5. Step 5: Solve for x
    x = 3,498,768,589.68/48,469.20
  6. Step 6: Final answer
    x = 72,185.40

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