Home / 106,122.82-159,129.44-31,233.24

Finding the Fourth Proportional to 106,122.82, 159,129.44 and 31,233.24

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Solution

The fourth proportional to 106,122.82, 159,129.44 and 31,233.24 is: 46,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.82 : 159,129.44 = 31,233.24 : x
  2. Step 2: Convert to fraction form
    106,122.82/159,129.44 = 31,233.24/x
  3. Step 3: Cross multiply
    106,122.82x = 159,129.44 × 31,233.24
  4. Step 4: Simplify right side
    106,122.82x = 4,970,127,273.02
  5. Step 5: Solve for x
    x = 4,970,127,273.02/106,122.82
  6. Step 6: Final answer
    x = 46,833.73

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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.