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Finding the Fourth Proportional to 74,538.39, 111,859.43 and 48,177.75

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Solution

The fourth proportional to 74,538.39, 111,859.43 and 48,177.75 is: 72,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.39 : 111,859.43 = 48,177.75 : x
  2. Step 2: Convert to fraction form
    74,538.39/111,859.43 = 48,177.75/x
  3. Step 3: Cross multiply
    74,538.39x = 111,859.43 × 48,177.75
  4. Step 4: Simplify right side
    74,538.39x = 5,389,135,412.79
  5. Step 5: Solve for x
    x = 5,389,135,412.79/74,538.39
  6. Step 6: Final answer
    x = 72,300.13

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