Home / 106,122.33-159,149.79-35,031.78

Finding the Fourth Proportional to 106,122.33, 159,149.79 and 35,031.78

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Solution

The fourth proportional to 106,122.33, 159,149.79 and 35,031.78 is: 52,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.33 : 159,149.79 = 35,031.78 : x
  2. Step 2: Convert to fraction form
    106,122.33/159,149.79 = 35,031.78/x
  3. Step 3: Cross multiply
    106,122.33x = 159,149.79 × 35,031.78
  4. Step 4: Simplify right side
    106,122.33x = 5,575,300,430.33
  5. Step 5: Solve for x
    x = 5,575,300,430.33/106,122.33
  6. Step 6: Final answer
    x = 52,536.54

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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.