Home / 106,251.26-159,351.37-31,351.16

Finding the Fourth Proportional to 106,251.26, 159,351.37 and 31,351.16

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Solution

The fourth proportional to 106,251.26, 159,351.37 and 31,351.16 is: 47,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,251.26 : 159,351.37 = 31,351.16 : x
  2. Step 2: Convert to fraction form
    106,251.26/159,351.37 = 31,351.16/x
  3. Step 3: Cross multiply
    106,251.26x = 159,351.37 × 31,351.16
  4. Step 4: Simplify right side
    106,251.26x = 4,995,850,617.09
  5. Step 5: Solve for x
    x = 4,995,850,617.09/106,251.26
  6. Step 6: Final answer
    x = 47,019.22

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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.