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Finding the Fourth Proportional to 48,786.80, 73,180.20 and 48,009.20

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Solution

The fourth proportional to 48,786.80, 73,180.20 and 48,009.20 is: 72,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.80 : 73,180.20 = 48,009.20 : x
  2. Step 2: Convert to fraction form
    48,786.80/73,180.20 = 48,009.20/x
  3. Step 3: Cross multiply
    48,786.80x = 73,180.20 × 48,009.20
  4. Step 4: Simplify right side
    48,786.80x = 3,513,322,857.84
  5. Step 5: Solve for x
    x = 3,513,322,857.84/48,786.80
  6. Step 6: Final answer
    x = 72,013.80

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