Home / 54,761.41-75,571.62-30,888.56

Finding the Fourth Proportional to 54,761.41, 75,571.62 and 30,888.56

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Solution

The fourth proportional to 54,761.41, 75,571.62 and 30,888.56 is: 42,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.41 : 75,571.62 = 30,888.56 : x
  2. Step 2: Convert to fraction form
    54,761.41/75,571.62 = 30,888.56/x
  3. Step 3: Cross multiply
    54,761.41x = 75,571.62 × 30,888.56
  4. Step 4: Simplify right side
    54,761.41x = 2,334,298,613.13
  5. Step 5: Solve for x
    x = 2,334,298,613.13/54,761.41
  6. Step 6: Final answer
    x = 42,626.71

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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.