Home / 45,121.68-67,608.54-31,950.41

Finding the Fourth Proportional to 45,121.68, 67,608.54 and 31,950.41

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Solution

The fourth proportional to 45,121.68, 67,608.54 and 31,950.41 is: 47,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.68 : 67,608.54 = 31,950.41 : x
  2. Step 2: Convert to fraction form
    45,121.68/67,608.54 = 31,950.41/x
  3. Step 3: Cross multiply
    45,121.68x = 67,608.54 × 31,950.41
  4. Step 4: Simplify right side
    45,121.68x = 2,160,120,234.46
  5. Step 5: Solve for x
    x = 2,160,120,234.46/45,121.68
  6. Step 6: Final answer
    x = 47,873.22

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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.