Home / 55,176.23-82,756.38-17,731.42

Finding the Fourth Proportional to 55,176.23, 82,756.38 and 17,731.42

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Solution

The fourth proportional to 55,176.23, 82,756.38 and 17,731.42 is: 26,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.23 : 82,756.38 = 17,731.42 : x
  2. Step 2: Convert to fraction form
    55,176.23/82,756.38 = 17,731.42/x
  3. Step 3: Cross multiply
    55,176.23x = 82,756.38 × 17,731.42
  4. Step 4: Simplify right side
    55,176.23x = 1,467,387,991.06
  5. Step 5: Solve for x
    x = 1,467,387,991.06/55,176.23
  6. Step 6: Final answer
    x = 26,594.57

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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.