Home / 53,245.22-79,837.85-17,687.50

Finding the Fourth Proportional to 53,245.22, 79,837.85 and 17,687.50

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Solution

The fourth proportional to 53,245.22, 79,837.85 and 17,687.50 is: 26,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.22 : 79,837.85 = 17,687.50 : x
  2. Step 2: Convert to fraction form
    53,245.22/79,837.85 = 17,687.50/x
  3. Step 3: Cross multiply
    53,245.22x = 79,837.85 × 17,687.50
  4. Step 4: Simplify right side
    53,245.22x = 1,412,131,816.50
  5. Step 5: Solve for x
    x = 1,412,131,816.50/53,245.22
  6. Step 6: Final answer
    x = 26,521.29

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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.