Home / 57,519.56-86,275.19-18,087.95

Finding the Fourth Proportional to 57,519.56, 86,275.19 and 18,087.95

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Solution

The fourth proportional to 57,519.56, 86,275.19 and 18,087.95 is: 27,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.56 : 86,275.19 = 18,087.95 : x
  2. Step 2: Convert to fraction form
    57,519.56/86,275.19 = 18,087.95/x
  3. Step 3: Cross multiply
    57,519.56x = 86,275.19 × 18,087.95
  4. Step 4: Simplify right side
    57,519.56x = 1,560,540,801.14
  5. Step 5: Solve for x
    x = 1,560,540,801.14/57,519.56
  6. Step 6: Final answer
    x = 27,130.61

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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.