Home / 80,935.82-121,414.81-27,613.50

Finding the Fourth Proportional to 80,935.82, 121,414.81 and 27,613.50

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Solution

The fourth proportional to 80,935.82, 121,414.81 and 27,613.50 is: 41,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,935.82 : 121,414.81 = 27,613.50 : x
  2. Step 2: Convert to fraction form
    80,935.82/121,414.81 = 27,613.50/x
  3. Step 3: Cross multiply
    80,935.82x = 121,414.81 × 27,613.50
  4. Step 4: Simplify right side
    80,935.82x = 3,352,687,855.94
  5. Step 5: Solve for x
    x = 3,352,687,855.94/80,935.82
  6. Step 6: Final answer
    x = 41,424.03

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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.