Home / 55,709.04-83,576.64-18,773.04

Finding the Fourth Proportional to 55,709.04, 83,576.64 and 18,773.04

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Solution

The fourth proportional to 55,709.04, 83,576.64 and 18,773.04 is: 28,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709.04 : 83,576.64 = 18,773.04 : x
  2. Step 2: Convert to fraction form
    55,709.04/83,576.64 = 18,773.04/x
  3. Step 3: Cross multiply
    55,709.04x = 83,576.64 × 18,773.04
  4. Step 4: Simplify right side
    55,709.04x = 1,568,987,605.79
  5. Step 5: Solve for x
    x = 1,568,987,605.79/55,709.04
  6. Step 6: Final answer
    x = 28,163.97

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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.