Home / 45,120.96-67,680.96-17,399.52

Finding the Fourth Proportional to 45,120.96, 67,680.96 and 17,399.52

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Solution

The fourth proportional to 45,120.96, 67,680.96 and 17,399.52 is: 26,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.96 : 67,680.96 = 17,399.52 : x
  2. Step 2: Convert to fraction form
    45,120.96/67,680.96 = 17,399.52/x
  3. Step 3: Cross multiply
    45,120.96x = 67,680.96 × 17,399.52
  4. Step 4: Simplify right side
    45,120.96x = 1,177,616,217.14
  5. Step 5: Solve for x
    x = 1,177,616,217.14/45,120.96
  6. Step 6: Final answer
    x = 26,099.09

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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.