Home / 66,863.21-100,227.33-41,920.79

Finding the Fourth Proportional to 66,863.21, 100,227.33 and 41,920.79

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Solution

The fourth proportional to 66,863.21, 100,227.33 and 41,920.79 is: 62,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.21 : 100,227.33 = 41,920.79 : x
  2. Step 2: Convert to fraction form
    66,863.21/100,227.33 = 41,920.79/x
  3. Step 3: Cross multiply
    66,863.21x = 100,227.33 × 41,920.79
  4. Step 4: Simplify right side
    66,863.21x = 4,201,608,352.05
  5. Step 5: Solve for x
    x = 4,201,608,352.05/66,863.21
  6. Step 6: Final answer
    x = 62,838.87

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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.