Home / 107,911.29-161,861.16-33,031.47

Finding the Fourth Proportional to 107,911.29, 161,861.16 and 33,031.47

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Solution

The fourth proportional to 107,911.29, 161,861.16 and 33,031.47 is: 49,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.29 : 161,861.16 = 33,031.47 : x
  2. Step 2: Convert to fraction form
    107,911.29/161,861.16 = 33,031.47/x
  3. Step 3: Cross multiply
    107,911.29x = 161,861.16 × 33,031.47
  4. Step 4: Simplify right side
    107,911.29x = 5,346,512,233.42
  5. Step 5: Solve for x
    x = 5,346,512,233.42/107,911.29
  6. Step 6: Final answer
    x = 49,545.44

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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.