Home / 79,939.72-119,911.50-27,348.84

Finding the Fourth Proportional to 79,939.72, 119,911.50 and 27,348.84

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Solution

The fourth proportional to 79,939.72, 119,911.50 and 27,348.84 is: 41,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,939.72 : 119,911.50 = 27,348.84 : x
  2. Step 2: Convert to fraction form
    79,939.72/119,911.50 = 27,348.84/x
  3. Step 3: Cross multiply
    79,939.72x = 119,911.50 × 27,348.84
  4. Step 4: Simplify right side
    79,939.72x = 3,279,440,427.66
  5. Step 5: Solve for x
    x = 3,279,440,427.66/79,939.72
  6. Step 6: Final answer
    x = 41,023.92

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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.