Home / 57,845.24-86,745.96-31,535.66

Finding the Fourth Proportional to 57,845.24, 86,745.96 and 31,535.66

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Solution

The fourth proportional to 57,845.24, 86,745.96 and 31,535.66 is: 47,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845.24 : 86,745.96 = 31,535.66 : x
  2. Step 2: Convert to fraction form
    57,845.24/86,745.96 = 31,535.66/x
  3. Step 3: Cross multiply
    57,845.24x = 86,745.96 × 31,535.66
  4. Step 4: Simplify right side
    57,845.24x = 2,735,591,100.93
  5. Step 5: Solve for x
    x = 2,735,591,100.93/57,845.24
  6. Step 6: Final answer
    x = 47,291.55

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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.