Home / 55,252.67-76,249.22-31,379.81

Finding the Fourth Proportional to 55,252.67, 76,249.22 and 31,379.81

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Solution

The fourth proportional to 55,252.67, 76,249.22 and 31,379.81 is: 43,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.67 : 76,249.22 = 31,379.81 : x
  2. Step 2: Convert to fraction form
    55,252.67/76,249.22 = 31,379.81/x
  3. Step 3: Cross multiply
    55,252.67x = 76,249.22 × 31,379.81
  4. Step 4: Simplify right side
    55,252.67x = 2,392,685,498.10
  5. Step 5: Solve for x
    x = 2,392,685,498.10/55,252.67
  6. Step 6: Final answer
    x = 43,304.44

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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.