Home / 83,144.22-114,741.27-49,629.66

Finding the Fourth Proportional to 83,144.22, 114,741.27 and 49,629.66

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Solution

The fourth proportional to 83,144.22, 114,741.27 and 49,629.66 is: 68,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,144.22 : 114,741.27 = 49,629.66 : x
  2. Step 2: Convert to fraction form
    83,144.22/114,741.27 = 49,629.66/x
  3. Step 3: Cross multiply
    83,144.22x = 114,741.27 × 49,629.66
  4. Step 4: Simplify right side
    83,144.22x = 5,694,570,218.07
  5. Step 5: Solve for x
    x = 5,694,570,218.07/83,144.22
  6. Step 6: Final answer
    x = 68,490.27

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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.