Home / 54,781.43-82,172.15-49,926.29

Finding the Fourth Proportional to 54,781.43, 82,172.15 and 49,926.29

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Solution

The fourth proportional to 54,781.43, 82,172.15 and 49,926.29 is: 74,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.43 : 82,172.15 = 49,926.29 : x
  2. Step 2: Convert to fraction form
    54,781.43/82,172.15 = 49,926.29/x
  3. Step 3: Cross multiply
    54,781.43x = 82,172.15 × 49,926.29
  4. Step 4: Simplify right side
    54,781.43x = 4,102,549,930.33
  5. Step 5: Solve for x
    x = 4,102,549,930.33/54,781.43
  6. Step 6: Final answer
    x = 74,889.43

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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.