Home / 53,144.10-79,239.57-51,223.19

Finding the Fourth Proportional to 53,144.10, 79,239.57 and 51,223.19

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Solution

The fourth proportional to 53,144.10, 79,239.57 and 51,223.19 is: 76,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.10 : 79,239.57 = 51,223.19 : x
  2. Step 2: Convert to fraction form
    53,144.10/79,239.57 = 51,223.19/x
  3. Step 3: Cross multiply
    53,144.10x = 79,239.57 × 51,223.19
  4. Step 4: Simplify right side
    53,144.10x = 4,058,902,961.34
  5. Step 5: Solve for x
    x = 4,058,902,961.34/53,144.10
  6. Step 6: Final answer
    x = 76,375.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.