Home / 57,519.75-86,286.93-15,966.75

Finding the Fourth Proportional to 57,519.75, 86,286.93 and 15,966.75

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Solution

The fourth proportional to 57,519.75, 86,286.93 and 15,966.75 is: 23,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.75 : 86,286.93 = 15,966.75 : x
  2. Step 2: Convert to fraction form
    57,519.75/86,286.93 = 15,966.75/x
  3. Step 3: Cross multiply
    57,519.75x = 86,286.93 × 15,966.75
  4. Step 4: Simplify right side
    57,519.75x = 1,377,721,839.58
  5. Step 5: Solve for x
    x = 1,377,721,839.58/57,519.75
  6. Step 6: Final answer
    x = 23,952.15

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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.