Home / 57,452.35-86,178.54-18,012.53

Finding the Fourth Proportional to 57,452.35, 86,178.54 and 18,012.53

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Solution

The fourth proportional to 57,452.35, 86,178.54 and 18,012.53 is: 27,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.35 : 86,178.54 = 18,012.53 : x
  2. Step 2: Convert to fraction form
    57,452.35/86,178.54 = 18,012.53/x
  3. Step 3: Cross multiply
    57,452.35x = 86,178.54 × 18,012.53
  4. Step 4: Simplify right side
    57,452.35x = 1,552,293,797.58
  5. Step 5: Solve for x
    x = 1,552,293,797.58/57,452.35
  6. Step 6: Final answer
    x = 27,018.81

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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.