Home / 47,756.44-71,634.40-12,217.70

Finding the Fourth Proportional to 47,756.44, 71,634.40 and 12,217.70

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Solution

The fourth proportional to 47,756.44, 71,634.40 and 12,217.70 is: 18,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.44 : 71,634.40 = 12,217.70 : x
  2. Step 2: Convert to fraction form
    47,756.44/71,634.40 = 12,217.70/x
  3. Step 3: Cross multiply
    47,756.44x = 71,634.40 × 12,217.70
  4. Step 4: Simplify right side
    47,756.44x = 875,207,608.88
  5. Step 5: Solve for x
    x = 875,207,608.88/47,756.44
  6. Step 6: Final answer
    x = 18,326.48

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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.