Home / 57,213.54-85,824.36-25,618.68

Finding the Fourth Proportional to 57,213.54, 85,824.36 and 25,618.68

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Solution

The fourth proportional to 57,213.54, 85,824.36 and 25,618.68 is: 38,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.54 : 85,824.36 = 25,618.68 : x
  2. Step 2: Convert to fraction form
    57,213.54/85,824.36 = 25,618.68/x
  3. Step 3: Cross multiply
    57,213.54x = 85,824.36 × 25,618.68
  4. Step 4: Simplify right side
    57,213.54x = 2,198,706,815.04
  5. Step 5: Solve for x
    x = 2,198,706,815.04/57,213.54
  6. Step 6: Final answer
    x = 38,429.83

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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.