Home / 40,199.88-60,302.70-10,617.42

Finding the Fourth Proportional to 40,199.88, 60,302.70 and 10,617.42

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Solution

The fourth proportional to 40,199.88, 60,302.70 and 10,617.42 is: 15,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.88 : 60,302.70 = 10,617.42 : x
  2. Step 2: Convert to fraction form
    40,199.88/60,302.70 = 10,617.42/x
  3. Step 3: Cross multiply
    40,199.88x = 60,302.70 × 10,617.42
  4. Step 4: Simplify right side
    40,199.88x = 640,259,093.03
  5. Step 5: Solve for x
    x = 640,259,093.03/40,199.88
  6. Step 6: Final answer
    x = 15,926.89

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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.