Home / 107,721.91-161,593.95-41,217.97

Finding the Fourth Proportional to 107,721.91, 161,593.95 and 41,217.97

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Solution

The fourth proportional to 107,721.91, 161,593.95 and 41,217.97 is: 61,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,721.91 : 161,593.95 = 41,217.97 : x
  2. Step 2: Convert to fraction form
    107,721.91/161,593.95 = 41,217.97/x
  3. Step 3: Cross multiply
    107,721.91x = 161,593.95 × 41,217.97
  4. Step 4: Simplify right side
    107,721.91x = 6,660,574,583.28
  5. Step 5: Solve for x
    x = 6,660,574,583.28/107,721.91
  6. Step 6: Final answer
    x = 61,831.20

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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.