Home / 55,682.68-76,843.56-31,481.70

Finding the Fourth Proportional to 55,682.68, 76,843.56 and 31,481.70

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Solution

The fourth proportional to 55,682.68, 76,843.56 and 31,481.70 is: 43,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,682.68 : 76,843.56 = 31,481.70 : x
  2. Step 2: Convert to fraction form
    55,682.68/76,843.56 = 31,481.70/x
  3. Step 3: Cross multiply
    55,682.68x = 76,843.56 × 31,481.70
  4. Step 4: Simplify right side
    55,682.68x = 2,419,165,518.63
  5. Step 5: Solve for x
    x = 2,419,165,518.63/55,682.68
  6. Step 6: Final answer
    x = 43,445.57

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1.5x scale

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.