Home / 55,186.96-82,781.22-15,744.10

Finding the Fourth Proportional to 55,186.96, 82,781.22 and 15,744.10

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Solution

The fourth proportional to 55,186.96, 82,781.22 and 15,744.10 is: 23,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.96 : 82,781.22 = 15,744.10 : x
  2. Step 2: Convert to fraction form
    55,186.96/82,781.22 = 15,744.10/x
  3. Step 3: Cross multiply
    55,186.96x = 82,781.22 × 15,744.10
  4. Step 4: Simplify right side
    55,186.96x = 1,303,315,805.80
  5. Step 5: Solve for x
    x = 1,303,315,805.80/55,186.96
  6. Step 6: Final answer
    x = 23,616.37

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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.