Home / 57,826.90-86,742.78-18,383.14

Finding the Fourth Proportional to 57,826.90, 86,742.78 and 18,383.14

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Solution

The fourth proportional to 57,826.90, 86,742.78 and 18,383.14 is: 27,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,826.90 : 86,742.78 = 18,383.14 : x
  2. Step 2: Convert to fraction form
    57,826.90/86,742.78 = 18,383.14/x
  3. Step 3: Cross multiply
    57,826.90x = 86,742.78 × 18,383.14
  4. Step 4: Simplify right side
    57,826.90x = 1,594,604,668.73
  5. Step 5: Solve for x
    x = 1,594,604,668.73/57,826.90
  6. Step 6: Final answer
    x = 27,575.48

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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.