Home / 121,942.88-182,921.44-47,063.44

Finding the Fourth Proportional to 121,942.88, 182,921.44 and 47,063.44

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Solution

The fourth proportional to 121,942.88, 182,921.44 and 47,063.44 is: 70,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,942.88 : 182,921.44 = 47,063.44 : x
  2. Step 2: Convert to fraction form
    121,942.88/182,921.44 = 47,063.44/x
  3. Step 3: Cross multiply
    121,942.88x = 182,921.44 × 47,063.44
  4. Step 4: Simplify right side
    121,942.88x = 8,608,912,216.15
  5. Step 5: Solve for x
    x = 8,608,912,216.15/121,942.88
  6. Step 6: Final answer
    x = 70,597.91

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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.