Home / 49,540.50-68,369.49-28,319.22

Finding the Fourth Proportional to 49,540.50, 68,369.49 and 28,319.22

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Solution

The fourth proportional to 49,540.50, 68,369.49 and 28,319.22 is: 39,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540.50 : 68,369.49 = 28,319.22 : x
  2. Step 2: Convert to fraction form
    49,540.50/68,369.49 = 28,319.22/x
  3. Step 3: Cross multiply
    49,540.50x = 68,369.49 × 28,319.22
  4. Step 4: Simplify right side
    49,540.50x = 1,936,170,628.60
  5. Step 5: Solve for x
    x = 1,936,170,628.60/49,540.50
  6. Step 6: Final answer
    x = 39,082.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.