Home / 54,286.83-74,890.44-36,146.68

Finding the Fourth Proportional to 54,286.83, 74,890.44 and 36,146.68

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Solution

The fourth proportional to 54,286.83, 74,890.44 and 36,146.68 is: 49,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.83 : 74,890.44 = 36,146.68 : x
  2. Step 2: Convert to fraction form
    54,286.83/74,890.44 = 36,146.68/x
  3. Step 3: Cross multiply
    54,286.83x = 74,890.44 × 36,146.68
  4. Step 4: Simplify right side
    54,286.83x = 2,707,040,582.51
  5. Step 5: Solve for x
    x = 2,707,040,582.51/54,286.83
  6. Step 6: Final answer
    x = 49,865.51

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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.