Home / 67,223.25-100,841.22-19,838.52

Finding the Fourth Proportional to 67,223.25, 100,841.22 and 19,838.52

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Solution

The fourth proportional to 67,223.25, 100,841.22 and 19,838.52 is: 29,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.25 : 100,841.22 = 19,838.52 : x
  2. Step 2: Convert to fraction form
    67,223.25/100,841.22 = 19,838.52/x
  3. Step 3: Cross multiply
    67,223.25x = 100,841.22 × 19,838.52
  4. Step 4: Simplify right side
    67,223.25x = 2,000,540,559.79
  5. Step 5: Solve for x
    x = 2,000,540,559.79/67,223.25
  6. Step 6: Final answer
    x = 29,759.65

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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.