Home / 106,067.26-159,100.83-31,188.03

Finding the Fourth Proportional to 106,067.26, 159,100.83 and 31,188.03

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Solution

The fourth proportional to 106,067.26, 159,100.83 and 31,188.03 is: 46,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,067.26 : 159,100.83 = 31,188.03 : x
  2. Step 2: Convert to fraction form
    106,067.26/159,100.83 = 31,188.03/x
  3. Step 3: Cross multiply
    106,067.26x = 159,100.83 × 31,188.03
  4. Step 4: Simplify right side
    106,067.26x = 4,962,041,459.06
  5. Step 5: Solve for x
    x = 4,962,041,459.06/106,067.26
  6. Step 6: Final answer
    x = 46,782.03

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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.