Home / 79,198.06-118,843.87-29,313.20

Finding the Fourth Proportional to 79,198.06, 118,843.87 and 29,313.20

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Solution

The fourth proportional to 79,198.06, 118,843.87 and 29,313.20 is: 43,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.06 : 118,843.87 = 29,313.20 : x
  2. Step 2: Convert to fraction form
    79,198.06/118,843.87 = 29,313.20/x
  3. Step 3: Cross multiply
    79,198.06x = 118,843.87 × 29,313.20
  4. Step 4: Simplify right side
    79,198.06x = 3,483,694,130.08
  5. Step 5: Solve for x
    x = 3,483,694,130.08/79,198.06
  6. Step 6: Final answer
    x = 43,987.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.