Home / 59,981.21-82,770.20-33,122.12

Finding the Fourth Proportional to 59,981.21, 82,770.20 and 33,122.12

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Solution

The fourth proportional to 59,981.21, 82,770.20 and 33,122.12 is: 45,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,981.21 : 82,770.20 = 33,122.12 : x
  2. Step 2: Convert to fraction form
    59,981.21/82,770.20 = 33,122.12/x
  3. Step 3: Cross multiply
    59,981.21x = 82,770.20 × 33,122.12
  4. Step 4: Simplify right side
    59,981.21x = 2,741,524,227.88
  5. Step 5: Solve for x
    x = 2,741,524,227.88/59,981.21
  6. Step 6: Final answer
    x = 45,706.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.