Home / 54,449.72-75,140.62-30,576.41

Finding the Fourth Proportional to 54,449.72, 75,140.62 and 30,576.41

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Solution

The fourth proportional to 54,449.72, 75,140.62 and 30,576.41 is: 42,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.72 : 75,140.62 = 30,576.41 : x
  2. Step 2: Convert to fraction form
    54,449.72/75,140.62 = 30,576.41/x
  3. Step 3: Cross multiply
    54,449.72x = 75,140.62 × 30,576.41
  4. Step 4: Simplify right side
    54,449.72x = 2,297,530,234.41
  5. Step 5: Solve for x
    x = 2,297,530,234.41/54,449.72
  6. Step 6: Final answer
    x = 42,195.45

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1.5x scale

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.