Home / 106,049.82-159,035.76-31,150.74

Finding the Fourth Proportional to 106,049.82, 159,035.76 and 31,150.74

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Solution

The fourth proportional to 106,049.82, 159,035.76 and 31,150.74 is: 46,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,049.82 : 159,035.76 = 31,150.74 : x
  2. Step 2: Convert to fraction form
    106,049.82/159,035.76 = 31,150.74/x
  3. Step 3: Cross multiply
    106,049.82x = 159,035.76 × 31,150.74
  4. Step 4: Simplify right side
    106,049.82x = 4,954,081,610.46
  5. Step 5: Solve for x
    x = 4,954,081,610.46/106,049.82
  6. Step 6: Final answer
    x = 46,714.66

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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.