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Finding the Fourth Proportional to 48,444.80, 72,667.20 and 45,723.20

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Solution

The fourth proportional to 48,444.80, 72,667.20 and 45,723.20 is: 68,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,444.80 : 72,667.20 = 45,723.20 : x
  2. Step 2: Convert to fraction form
    48,444.80/72,667.20 = 45,723.20/x
  3. Step 3: Cross multiply
    48,444.80x = 72,667.20 × 45,723.20
  4. Step 4: Simplify right side
    48,444.80x = 3,322,576,919.04
  5. Step 5: Solve for x
    x = 3,322,576,919.04/48,444.80
  6. Step 6: Final answer
    x = 68,584.80

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