Home / 79,983.06-119,980.97-27,393

Finding the Fourth Proportional to 79,983.06, 119,980.97 and 27,393

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Solution

The fourth proportional to 79,983.06, 119,980.97 and 27,393 is: 41,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.06 : 119,980.97 = 27,393 : x
  2. Step 2: Convert to fraction form
    79,983.06/119,980.97 = 27,393/x
  3. Step 3: Cross multiply
    79,983.06x = 119,980.97 × 27,393
  4. Step 4: Simplify right side
    79,983.06x = 3,286,638,574.25
  5. Step 5: Solve for x
    x = 3,286,638,574.25/79,983.06
  6. Step 6: Final answer
    x = 41,091.68

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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.