Home / 55,977.66-83,950.91-18,540.66

Finding the Fourth Proportional to 55,977.66, 83,950.91 and 18,540.66

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Solution

The fourth proportional to 55,977.66, 83,950.91 and 18,540.66 is: 27,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.66 : 83,950.91 = 18,540.66 : x
  2. Step 2: Convert to fraction form
    55,977.66/83,950.91 = 18,540.66/x
  3. Step 3: Cross multiply
    55,977.66x = 83,950.91 × 18,540.66
  4. Step 4: Simplify right side
    55,977.66x = 1,556,505,186.30
  5. Step 5: Solve for x
    x = 1,556,505,186.30/55,977.66
  6. Step 6: Final answer
    x = 27,805.83

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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.