Home / 53,180.22-79,781.68-26,540.54

Finding the Fourth Proportional to 53,180.22, 79,781.68 and 26,540.54

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Solution

The fourth proportional to 53,180.22, 79,781.68 and 26,540.54 is: 39,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.22 : 79,781.68 = 26,540.54 : x
  2. Step 2: Convert to fraction form
    53,180.22/79,781.68 = 26,540.54/x
  3. Step 3: Cross multiply
    53,180.22x = 79,781.68 × 26,540.54
  4. Step 4: Simplify right side
    53,180.22x = 2,117,448,869.31
  5. Step 5: Solve for x
    x = 2,117,448,869.31/53,180.22
  6. Step 6: Final answer
    x = 39,816.47

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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.