Home / 54,449.91-75,132.74-30,571.95

Finding the Fourth Proportional to 54,449.91, 75,132.74 and 30,571.95

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Solution

The fourth proportional to 54,449.91, 75,132.74 and 30,571.95 is: 42,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.91 : 75,132.74 = 30,571.95 : x
  2. Step 2: Convert to fraction form
    54,449.91/75,132.74 = 30,571.95/x
  3. Step 3: Cross multiply
    54,449.91x = 75,132.74 × 30,571.95
  4. Step 4: Simplify right side
    54,449.91x = 2,296,954,217.78
  5. Step 5: Solve for x
    x = 2,296,954,217.78/54,449.91
  6. Step 6: Final answer
    x = 42,184.72

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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.