Home / 67,142.04-100,713.09-17,222.14

Finding the Fourth Proportional to 67,142.04, 100,713.09 and 17,222.14

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Solution

The fourth proportional to 67,142.04, 100,713.09 and 17,222.14 is: 25,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.04 : 100,713.09 = 17,222.14 : x
  2. Step 2: Convert to fraction form
    67,142.04/100,713.09 = 17,222.14/x
  3. Step 3: Cross multiply
    67,142.04x = 100,713.09 × 17,222.14
  4. Step 4: Simplify right side
    67,142.04x = 1,734,494,684.03
  5. Step 5: Solve for x
    x = 1,734,494,684.03/67,142.04
  6. Step 6: Final answer
    x = 25,833.21

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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.