Home / 50,891.31-70,183.99-31,772.83

Finding the Fourth Proportional to 50,891.31, 70,183.99 and 31,772.83

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Solution

The fourth proportional to 50,891.31, 70,183.99 and 31,772.83 is: 43,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.31 : 70,183.99 = 31,772.83 : x
  2. Step 2: Convert to fraction form
    50,891.31/70,183.99 = 31,772.83/x
  3. Step 3: Cross multiply
    50,891.31x = 70,183.99 × 31,772.83
  4. Step 4: Simplify right side
    50,891.31x = 2,229,943,632.07
  5. Step 5: Solve for x
    x = 2,229,943,632.07/50,891.31
  6. Step 6: Final answer
    x = 43,817.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.