Home / 55,291.22-82,936.83-13,738.22

Finding the Fourth Proportional to 55,291.22, 82,936.83 and 13,738.22

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Solution

The fourth proportional to 55,291.22, 82,936.83 and 13,738.22 is: 20,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.22 : 82,936.83 = 13,738.22 : x
  2. Step 2: Convert to fraction form
    55,291.22/82,936.83 = 13,738.22/x
  3. Step 3: Cross multiply
    55,291.22x = 82,936.83 × 13,738.22
  4. Step 4: Simplify right side
    55,291.22x = 1,139,404,364.49
  5. Step 5: Solve for x
    x = 1,139,404,364.49/55,291.22
  6. Step 6: Final answer
    x = 20,607.33

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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.