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Finding the Fourth Proportional to 72,852.80, 109,133.40 and 49,233.20

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Solution

The fourth proportional to 72,852.80, 109,133.40 and 49,233.20 is: 73,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,852.80 : 109,133.40 = 49,233.20 : x
  2. Step 2: Convert to fraction form
    72,852.80/109,133.40 = 49,233.20/x
  3. Step 3: Cross multiply
    72,852.80x = 109,133.40 × 49,233.20
  4. Step 4: Simplify right side
    72,852.80x = 5,372,986,508.88
  5. Step 5: Solve for x
    x = 5,372,986,508.88/72,852.80
  6. Step 6: Final answer
    x = 73,751.27

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