Home / 57,372.26-86,056.05-19,940.82

Finding the Fourth Proportional to 57,372.26, 86,056.05 and 19,940.82

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Solution

The fourth proportional to 57,372.26, 86,056.05 and 19,940.82 is: 29,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.26 : 86,056.05 = 19,940.82 : x
  2. Step 2: Convert to fraction form
    57,372.26/86,056.05 = 19,940.82/x
  3. Step 3: Cross multiply
    57,372.26x = 86,056.05 × 19,940.82
  4. Step 4: Simplify right side
    57,372.26x = 1,716,028,202.96
  5. Step 5: Solve for x
    x = 1,716,028,202.96/57,372.26
  6. Step 6: Final answer
    x = 29,910.42

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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.