Home / 62,640.69-93,976.97-20,523.62

Finding the Fourth Proportional to 62,640.69, 93,976.97 and 20,523.62

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Solution

The fourth proportional to 62,640.69, 93,976.97 and 20,523.62 is: 30,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.69 : 93,976.97 = 20,523.62 : x
  2. Step 2: Convert to fraction form
    62,640.69/93,976.97 = 20,523.62/x
  3. Step 3: Cross multiply
    62,640.69x = 93,976.97 × 20,523.62
  4. Step 4: Simplify right side
    62,640.69x = 1,928,747,621.03
  5. Step 5: Solve for x
    x = 1,928,747,621.03/62,640.69
  6. Step 6: Final answer
    x = 30,790.65

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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.