Home / 54,072.92-74,620.79-30,200.49

Finding the Fourth Proportional to 54,072.92, 74,620.79 and 30,200.49

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Solution

The fourth proportional to 54,072.92, 74,620.79 and 30,200.49 is: 41,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.92 : 74,620.79 = 30,200.49 : x
  2. Step 2: Convert to fraction form
    54,072.92/74,620.79 = 30,200.49/x
  3. Step 3: Cross multiply
    54,072.92x = 74,620.79 × 30,200.49
  4. Step 4: Simplify right side
    54,072.92x = 2,253,584,271.18
  5. Step 5: Solve for x
    x = 2,253,584,271.18/54,072.92
  6. Step 6: Final answer
    x = 41,676.77

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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.