Home / 50,716.24-76,082.55-21,137.05

Finding the Fourth Proportional to 50,716.24, 76,082.55 and 21,137.05

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Solution

The fourth proportional to 50,716.24, 76,082.55 and 21,137.05 is: 31,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.24 : 76,082.55 = 21,137.05 : x
  2. Step 2: Convert to fraction form
    50,716.24/76,082.55 = 21,137.05/x
  3. Step 3: Cross multiply
    50,716.24x = 76,082.55 × 21,137.05
  4. Step 4: Simplify right side
    50,716.24x = 1,608,160,663.48
  5. Step 5: Solve for x
    x = 1,608,160,663.48/50,716.24
  6. Step 6: Final answer
    x = 31,708.99

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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.