Home / 106,243.25-159,382.19-31,370.97

Finding the Fourth Proportional to 106,243.25, 159,382.19 and 31,370.97

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Solution

The fourth proportional to 106,243.25, 159,382.19 and 31,370.97 is: 47,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243.25 : 159,382.19 = 31,370.97 : x
  2. Step 2: Convert to fraction form
    106,243.25/159,382.19 = 31,370.97/x
  3. Step 3: Cross multiply
    106,243.25x = 159,382.19 × 31,370.97
  4. Step 4: Simplify right side
    106,243.25x = 4,999,973,744.17
  5. Step 5: Solve for x
    x = 4,999,973,744.17/106,243.25
  6. Step 6: Final answer
    x = 47,061.57

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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.