Home / 45,234.46-67,873.80-31,992.56

Finding the Fourth Proportional to 45,234.46, 67,873.80 and 31,992.56

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Solution

The fourth proportional to 45,234.46, 67,873.80 and 31,992.56 is: 48,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.46 : 67,873.80 = 31,992.56 : x
  2. Step 2: Convert to fraction form
    45,234.46/67,873.80 = 31,992.56/x
  3. Step 3: Cross multiply
    45,234.46x = 67,873.80 × 31,992.56
  4. Step 4: Simplify right side
    45,234.46x = 2,171,456,378.65
  5. Step 5: Solve for x
    x = 2,171,456,378.65/45,234.46
  6. Step 6: Final answer
    x = 48,004.47

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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.