Home / 83,583.87-125,375.38-20,404.33

Finding the Fourth Proportional to 83,583.87, 125,375.38 and 20,404.33

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Solution

The fourth proportional to 83,583.87, 125,375.38 and 20,404.33 is: 30,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.87 : 125,375.38 = 20,404.33 : x
  2. Step 2: Convert to fraction form
    83,583.87/125,375.38 = 20,404.33/x
  3. Step 3: Cross multiply
    83,583.87x = 125,375.38 × 20,404.33
  4. Step 4: Simplify right side
    83,583.87x = 2,558,200,627.40
  5. Step 5: Solve for x
    x = 2,558,200,627.40/83,583.87
  6. Step 6: Final answer
    x = 30,606.39

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1.5x scale

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.