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Finding the Fourth Proportional to 72,043.84, 99,301.50 and 48,161.80

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Solution

The fourth proportional to 72,043.84, 99,301.50 and 48,161.80 is: 66,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,043.84 : 99,301.50 = 48,161.80 : x
  2. Step 2: Convert to fraction form
    72,043.84/99,301.50 = 48,161.80/x
  3. Step 3: Cross multiply
    72,043.84x = 99,301.50 × 48,161.80
  4. Step 4: Simplify right side
    72,043.84x = 4,782,538,982.70
  5. Step 5: Solve for x
    x = 4,782,538,982.70/72,043.84
  6. Step 6: Final answer
    x = 66,383.73

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