Home / 57,745.17-86,620.84-18,305.37

Finding the Fourth Proportional to 57,745.17, 86,620.84 and 18,305.37

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Solution

The fourth proportional to 57,745.17, 86,620.84 and 18,305.37 is: 27,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.17 : 86,620.84 = 18,305.37 : x
  2. Step 2: Convert to fraction form
    57,745.17/86,620.84 = 18,305.37/x
  3. Step 3: Cross multiply
    57,745.17x = 86,620.84 × 18,305.37
  4. Step 4: Simplify right side
    57,745.17x = 1,585,626,480.15
  5. Step 5: Solve for x
    x = 1,585,626,480.15/57,745.17
  6. Step 6: Final answer
    x = 27,459.03

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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.