Home / 40,198.88-60,301.20-10,616.42

Finding the Fourth Proportional to 40,198.88, 60,301.20 and 10,616.42

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Solution

The fourth proportional to 40,198.88, 60,301.20 and 10,616.42 is: 15,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.88 : 60,301.20 = 10,616.42 : x
  2. Step 2: Convert to fraction form
    40,198.88/60,301.20 = 10,616.42/x
  3. Step 3: Cross multiply
    40,198.88x = 60,301.20 × 10,616.42
  4. Step 4: Simplify right side
    40,198.88x = 640,182,865.70
  5. Step 5: Solve for x
    x = 640,182,865.70/40,198.88
  6. Step 6: Final answer
    x = 15,925.39

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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.