Home / 45,778.20-68,732.10-35,928.60

Finding the Fourth Proportional to 45,778.20, 68,732.10 and 35,928.60

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Solution

The fourth proportional to 45,778.20, 68,732.10 and 35,928.60 is: 53,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.20 : 68,732.10 = 35,928.60 : x
  2. Step 2: Convert to fraction form
    45,778.20/68,732.10 = 35,928.60/x
  3. Step 3: Cross multiply
    45,778.20x = 68,732.10 × 35,928.60
  4. Step 4: Simplify right side
    45,778.20x = 2,469,448,128.06
  5. Step 5: Solve for x
    x = 2,469,448,128.06/45,778.20
  6. Step 6: Final answer
    x = 53,943.76

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1.5x scale

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.