Home / 82,440.45-123,668.51-22,469.67

Finding the Fourth Proportional to 82,440.45, 123,668.51 and 22,469.67

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Solution

The fourth proportional to 82,440.45, 123,668.51 and 22,469.67 is: 33,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,440.45 : 123,668.51 = 22,469.67 : x
  2. Step 2: Convert to fraction form
    82,440.45/123,668.51 = 22,469.67/x
  3. Step 3: Cross multiply
    82,440.45x = 123,668.51 × 22,469.67
  4. Step 4: Simplify right side
    82,440.45x = 2,778,790,496.74
  5. Step 5: Solve for x
    x = 2,778,790,496.74/82,440.45
  6. Step 6: Final answer
    x = 33,706.64

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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.