Home / 55,680.72-83,535.26-18,243.33

Finding the Fourth Proportional to 55,680.72, 83,535.26 and 18,243.33

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Solution

The fourth proportional to 55,680.72, 83,535.26 and 18,243.33 is: 27,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,680.72 : 83,535.26 = 18,243.33 : x
  2. Step 2: Convert to fraction form
    55,680.72/83,535.26 = 18,243.33/x
  3. Step 3: Cross multiply
    55,680.72x = 83,535.26 × 18,243.33
  4. Step 4: Simplify right side
    55,680.72x = 1,523,961,223.60
  5. Step 5: Solve for x
    x = 1,523,961,223.60/55,680.72
  6. Step 6: Final answer
    x = 27,369.64

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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.