Home / 54,177.75-74,768.61-30,306.03

Finding the Fourth Proportional to 54,177.75, 74,768.61 and 30,306.03

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Solution

The fourth proportional to 54,177.75, 74,768.61 and 30,306.03 is: 41,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.75 : 74,768.61 = 30,306.03 : x
  2. Step 2: Convert to fraction form
    54,177.75/74,768.61 = 30,306.03/x
  3. Step 3: Cross multiply
    54,177.75x = 74,768.61 × 30,306.03
  4. Step 4: Simplify right side
    54,177.75x = 2,265,939,737.72
  5. Step 5: Solve for x
    x = 2,265,939,737.72/54,177.75
  6. Step 6: Final answer
    x = 41,824.18

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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.