Home / 57,299.68-79,074.25-31,806.55

Finding the Fourth Proportional to 57,299.68, 79,074.25 and 31,806.55

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Solution

The fourth proportional to 57,299.68, 79,074.25 and 31,806.55 is: 43,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.68 : 79,074.25 = 31,806.55 : x
  2. Step 2: Convert to fraction form
    57,299.68/79,074.25 = 31,806.55/x
  3. Step 3: Cross multiply
    57,299.68x = 79,074.25 × 31,806.55
  4. Step 4: Simplify right side
    57,299.68x = 2,515,078,838.54
  5. Step 5: Solve for x
    x = 2,515,078,838.54/57,299.68
  6. Step 6: Final answer
    x = 43,893.42

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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.