Home / 55,120.82-82,717.99-20,060.46

Finding the Fourth Proportional to 55,120.82, 82,717.99 and 20,060.46

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Solution

The fourth proportional to 55,120.82, 82,717.99 and 20,060.46 is: 30,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.82 : 82,717.99 = 20,060.46 : x
  2. Step 2: Convert to fraction form
    55,120.82/82,717.99 = 20,060.46/x
  3. Step 3: Cross multiply
    55,120.82x = 82,717.99 × 20,060.46
  4. Step 4: Simplify right side
    55,120.82x = 1,659,360,879.52
  5. Step 5: Solve for x
    x = 1,659,360,879.52/55,120.82
  6. Step 6: Final answer
    x = 30,104.07

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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.