Home / 106,619.35-159,928.23-43,424.62

Finding the Fourth Proportional to 106,619.35, 159,928.23 and 43,424.62

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Solution

The fourth proportional to 106,619.35, 159,928.23 and 43,424.62 is: 65,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,619.35 : 159,928.23 = 43,424.62 : x
  2. Step 2: Convert to fraction form
    106,619.35/159,928.23 = 43,424.62/x
  3. Step 3: Cross multiply
    106,619.35x = 159,928.23 × 43,424.62
  4. Step 4: Simplify right side
    106,619.35x = 6,944,822,615.02
  5. Step 5: Solve for x
    x = 6,944,822,615.02/106,619.35
  6. Step 6: Final answer
    x = 65,136.61

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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.