Home / 54,930.10-82,260.78-49,605.30

Finding the Fourth Proportional to 54,930.10, 82,260.78 and 49,605.30

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Solution

The fourth proportional to 54,930.10, 82,260.78 and 49,605.30 is: 74,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.10 : 82,260.78 = 49,605.30 : x
  2. Step 2: Convert to fraction form
    54,930.10/82,260.78 = 49,605.30/x
  3. Step 3: Cross multiply
    54,930.10x = 82,260.78 × 49,605.30
  4. Step 4: Simplify right side
    54,930.10x = 4,080,570,907.74
  5. Step 5: Solve for x
    x = 4,080,570,907.74/54,930.10
  6. Step 6: Final answer
    x = 74,286.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.