Home / 67,011.33-100,520.46-17,091.87

Finding the Fourth Proportional to 67,011.33, 100,520.46 and 17,091.87

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Solution

The fourth proportional to 67,011.33, 100,520.46 and 17,091.87 is: 25,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.33 : 100,520.46 = 17,091.87 : x
  2. Step 2: Convert to fraction form
    67,011.33/100,520.46 = 17,091.87/x
  3. Step 3: Cross multiply
    67,011.33x = 100,520.46 × 17,091.87
  4. Step 4: Simplify right side
    67,011.33x = 1,718,082,257.71
  5. Step 5: Solve for x
    x = 1,718,082,257.71/67,011.33
  6. Step 6: Final answer
    x = 25,638.68

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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.