Home / 111,031.48-166,540.74-27,919

Finding the Fourth Proportional to 111,031.48, 166,540.74 and 27,919

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Solution

The fourth proportional to 111,031.48, 166,540.74 and 27,919 is: 41,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,031.48 : 166,540.74 = 27,919 : x
  2. Step 2: Convert to fraction form
    111,031.48/166,540.74 = 27,919/x
  3. Step 3: Cross multiply
    111,031.48x = 166,540.74 × 27,919
  4. Step 4: Simplify right side
    111,031.48x = 4,649,650,920.06
  5. Step 5: Solve for x
    x = 4,649,650,920.06/111,031.48
  6. Step 6: Final answer
    x = 41,876.87

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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.