Home / 57,493.34-86,242.43-20,057.16

Finding the Fourth Proportional to 57,493.34, 86,242.43 and 20,057.16

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Solution

The fourth proportional to 57,493.34, 86,242.43 and 20,057.16 is: 30,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.34 : 86,242.43 = 20,057.16 : x
  2. Step 2: Convert to fraction form
    57,493.34/86,242.43 = 20,057.16/x
  3. Step 3: Cross multiply
    57,493.34x = 86,242.43 × 20,057.16
  4. Step 4: Simplify right side
    57,493.34x = 1,729,778,267.44
  5. Step 5: Solve for x
    x = 1,729,778,267.44/57,493.34
  6. Step 6: Final answer
    x = 30,086.59

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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.