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Finding the Fourth Proportional to 79,720.11, 119,498.13 and 35,367.75

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Solution

The fourth proportional to 79,720.11, 119,498.13 and 35,367.75 is: 53,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,720.11 : 119,498.13 = 35,367.75 : x
  2. Step 2: Convert to fraction form
    79,720.11/119,498.13 = 35,367.75/x
  3. Step 3: Cross multiply
    79,720.11x = 119,498.13 × 35,367.75
  4. Step 4: Simplify right side
    79,720.11x = 4,226,379,987.31
  5. Step 5: Solve for x
    x = 4,226,379,987.31/79,720.11
  6. Step 6: Final answer
    x = 53,015.23

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