Home / 55,269.11-82,919.81-17,828.35

Finding the Fourth Proportional to 55,269.11, 82,919.81 and 17,828.35

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Solution

The fourth proportional to 55,269.11, 82,919.81 and 17,828.35 is: 26,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.11 : 82,919.81 = 17,828.35 : x
  2. Step 2: Convert to fraction form
    55,269.11/82,919.81 = 17,828.35/x
  3. Step 3: Cross multiply
    55,269.11x = 82,919.81 × 17,828.35
  4. Step 4: Simplify right side
    55,269.11x = 1,478,322,890.87
  5. Step 5: Solve for x
    x = 1,478,322,890.87/55,269.11
  6. Step 6: Final answer
    x = 26,747.73

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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.