Home / 57,745.20-86,502.60-33,092.40

Finding the Fourth Proportional to 57,745.20, 86,502.60 and 33,092.40

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Solution

The fourth proportional to 57,745.20, 86,502.60 and 33,092.40 is: 49,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.20 : 86,502.60 = 33,092.40 : x
  2. Step 2: Convert to fraction form
    57,745.20/86,502.60 = 33,092.40/x
  3. Step 3: Cross multiply
    57,745.20x = 86,502.60 × 33,092.40
  4. Step 4: Simplify right side
    57,745.20x = 2,862,578,640.24
  5. Step 5: Solve for x
    x = 2,862,578,640.24/57,745.20
  6. Step 6: Final answer
    x = 49,572.58

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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.