Home / 57,401.21-86,086.20-36,309.58

Finding the Fourth Proportional to 57,401.21, 86,086.20 and 36,309.58

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Solution

The fourth proportional to 57,401.21, 86,086.20 and 36,309.58 is: 54,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,401.21 : 86,086.20 = 36,309.58 : x
  2. Step 2: Convert to fraction form
    57,401.21/86,086.20 = 36,309.58/x
  3. Step 3: Cross multiply
    57,401.21x = 86,086.20 × 36,309.58
  4. Step 4: Simplify right side
    57,401.21x = 3,125,753,765.80
  5. Step 5: Solve for x
    x = 3,125,753,765.80/57,401.21
  6. Step 6: Final answer
    x = 54,454.49

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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.