Home / 83,452.44-115,127.82-49,899

Finding the Fourth Proportional to 83,452.44, 115,127.82 and 49,899

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Solution

The fourth proportional to 83,452.44, 115,127.82 and 49,899 is: 68,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,452.44 : 115,127.82 = 49,899 : x
  2. Step 2: Convert to fraction form
    83,452.44/115,127.82 = 49,899/x
  3. Step 3: Cross multiply
    83,452.44x = 115,127.82 × 49,899
  4. Step 4: Simplify right side
    83,452.44x = 5,744,763,090.18
  5. Step 5: Solve for x
    x = 5,744,763,090.18/83,452.44
  6. Step 6: Final answer
    x = 68,838.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.