Home / 83,231.24-124,859.30-30,636.73

Finding the Fourth Proportional to 83,231.24, 124,859.30 and 30,636.73

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Solution

The fourth proportional to 83,231.24, 124,859.30 and 30,636.73 is: 45,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231.24 : 124,859.30 = 30,636.73 : x
  2. Step 2: Convert to fraction form
    83,231.24/124,859.30 = 30,636.73/x
  3. Step 3: Cross multiply
    83,231.24x = 124,859.30 × 30,636.73
  4. Step 4: Simplify right side
    83,231.24x = 3,825,280,662.09
  5. Step 5: Solve for x
    x = 3,825,280,662.09/83,231.24
  6. Step 6: Final answer
    x = 45,959.67

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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.