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Finding the Fourth Proportional to 74,553.80, 111,636.30 and 48,115.40

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Solution

The fourth proportional to 74,553.80, 111,636.30 and 48,115.40 is: 72,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,553.80 : 111,636.30 = 48,115.40 : x
  2. Step 2: Convert to fraction form
    74,553.80/111,636.30 = 48,115.40/x
  3. Step 3: Cross multiply
    74,553.80x = 111,636.30 × 48,115.40
  4. Step 4: Simplify right side
    74,553.80x = 5,371,425,229.02
  5. Step 5: Solve for x
    x = 5,371,425,229.02/74,553.80
  6. Step 6: Final answer
    x = 72,047.64

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