Home / 53,244.78-79,837.22-17,687.08

Finding the Fourth Proportional to 53,244.78, 79,837.22 and 17,687.08

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Solution

The fourth proportional to 53,244.78, 79,837.22 and 17,687.08 is: 26,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,244.78 : 79,837.22 = 17,687.08 : x
  2. Step 2: Convert to fraction form
    53,244.78/79,837.22 = 17,687.08/x
  3. Step 3: Cross multiply
    53,244.78x = 79,837.22 × 17,687.08
  4. Step 4: Simplify right side
    53,244.78x = 1,412,086,942.30
  5. Step 5: Solve for x
    x = 1,412,086,942.30/53,244.78
  6. Step 6: Final answer
    x = 26,520.66

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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.