Home / 106,591.26-159,859.05-31,691.24

Finding the Fourth Proportional to 106,591.26, 159,859.05 and 31,691.24

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Solution

The fourth proportional to 106,591.26, 159,859.05 and 31,691.24 is: 47,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,591.26 : 159,859.05 = 31,691.24 : x
  2. Step 2: Convert to fraction form
    106,591.26/159,859.05 = 31,691.24/x
  3. Step 3: Cross multiply
    106,591.26x = 159,859.05 × 31,691.24
  4. Step 4: Simplify right side
    106,591.26x = 5,066,131,519.72
  5. Step 5: Solve for x
    x = 5,066,131,519.72/106,591.26
  6. Step 6: Final answer
    x = 47,528.58

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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.