Home / 71,168.14-106,668.82-29,021.92

Finding the Fourth Proportional to 71,168.14, 106,668.82 and 29,021.92

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Solution

The fourth proportional to 71,168.14, 106,668.82 and 29,021.92 is: 43,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168.14 : 106,668.82 = 29,021.92 : x
  2. Step 2: Convert to fraction form
    71,168.14/106,668.82 = 29,021.92/x
  3. Step 3: Cross multiply
    71,168.14x = 106,668.82 × 29,021.92
  4. Step 4: Simplify right side
    71,168.14x = 3,095,733,960.53
  5. Step 5: Solve for x
    x = 3,095,733,960.53/71,168.14
  6. Step 6: Final answer
    x = 43,498.87

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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.