Home / 55,936.29-83,919.06-20,876.25

Finding the Fourth Proportional to 55,936.29, 83,919.06 and 20,876.25

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Solution

The fourth proportional to 55,936.29, 83,919.06 and 20,876.25 is: 31,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.29 : 83,919.06 = 20,876.25 : x
  2. Step 2: Convert to fraction form
    55,936.29/83,919.06 = 20,876.25/x
  3. Step 3: Cross multiply
    55,936.29x = 83,919.06 × 20,876.25
  4. Step 4: Simplify right side
    55,936.29x = 1,751,915,276.33
  5. Step 5: Solve for x
    x = 1,751,915,276.33/55,936.29
  6. Step 6: Final answer
    x = 31,319.83

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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.