Home / 45,221.22-67,817.94-31,270.88

Finding the Fourth Proportional to 45,221.22, 67,817.94 and 31,270.88

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Solution

The fourth proportional to 45,221.22, 67,817.94 and 31,270.88 is: 46,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.22 : 67,817.94 = 31,270.88 : x
  2. Step 2: Convert to fraction form
    45,221.22/67,817.94 = 31,270.88/x
  3. Step 3: Cross multiply
    45,221.22x = 67,817.94 × 31,270.88
  4. Step 4: Simplify right side
    45,221.22x = 2,120,726,663.59
  5. Step 5: Solve for x
    x = 2,120,726,663.59/45,221.22
  6. Step 6: Final answer
    x = 46,896.71

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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.