Home / 54,190.24-74,790.06-30,318.53

Finding the Fourth Proportional to 54,190.24, 74,790.06 and 30,318.53

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Solution

The fourth proportional to 54,190.24, 74,790.06 and 30,318.53 is: 41,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.24 : 74,790.06 = 30,318.53 : x
  2. Step 2: Convert to fraction form
    54,190.24/74,790.06 = 30,318.53/x
  3. Step 3: Cross multiply
    54,190.24x = 74,790.06 × 30,318.53
  4. Step 4: Simplify right side
    54,190.24x = 2,267,524,677.81
  5. Step 5: Solve for x
    x = 2,267,524,677.81/54,190.24
  6. Step 6: Final answer
    x = 41,843.78

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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.