Home / 48,722.12-73,082.94-11,786.12

Finding the Fourth Proportional to 48,722.12, 73,082.94 and 11,786.12

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Solution

The fourth proportional to 48,722.12, 73,082.94 and 11,786.12 is: 17,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.12 : 73,082.94 = 11,786.12 : x
  2. Step 2: Convert to fraction form
    48,722.12/73,082.94 = 11,786.12/x
  3. Step 3: Cross multiply
    48,722.12x = 73,082.94 × 11,786.12
  4. Step 4: Simplify right side
    48,722.12x = 861,364,300.79
  5. Step 5: Solve for x
    x = 861,364,300.79/48,722.12
  6. Step 6: Final answer
    x = 17,679.12

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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.