Home / 43,163.82-64,696.32-18,166.42

Finding the Fourth Proportional to 43,163.82, 64,696.32 and 18,166.42

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Solution

The fourth proportional to 43,163.82, 64,696.32 and 18,166.42 is: 27,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.82 : 64,696.32 = 18,166.42 : x
  2. Step 2: Convert to fraction form
    43,163.82/64,696.32 = 18,166.42/x
  3. Step 3: Cross multiply
    43,163.82x = 64,696.32 × 18,166.42
  4. Step 4: Simplify right side
    43,163.82x = 1,175,300,521.57
  5. Step 5: Solve for x
    x = 1,175,300,521.57/43,163.82
  6. Step 6: Final answer
    x = 27,228.83

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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.