Home / 74,020.24-111,029.33-17,859.88

Finding the Fourth Proportional to 74,020.24, 111,029.33 and 17,859.88

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Solution

The fourth proportional to 74,020.24, 111,029.33 and 17,859.88 is: 26,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.24 : 111,029.33 = 17,859.88 : x
  2. Step 2: Convert to fraction form
    74,020.24/111,029.33 = 17,859.88/x
  3. Step 3: Cross multiply
    74,020.24x = 111,029.33 × 17,859.88
  4. Step 4: Simplify right side
    74,020.24x = 1,982,970,510.28
  5. Step 5: Solve for x
    x = 1,982,970,510.28/74,020.24
  6. Step 6: Final answer
    x = 26,789.57

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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.