Home / 107,554.03-161,333.17-39,163.20

Finding the Fourth Proportional to 107,554.03, 161,333.17 and 39,163.20

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Solution

The fourth proportional to 107,554.03, 161,333.17 and 39,163.20 is: 58,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,554.03 : 161,333.17 = 39,163.20 : x
  2. Step 2: Convert to fraction form
    107,554.03/161,333.17 = 39,163.20/x
  3. Step 3: Cross multiply
    107,554.03x = 161,333.17 × 39,163.20
  4. Step 4: Simplify right side
    107,554.03x = 6,318,322,500.44
  5. Step 5: Solve for x
    x = 6,318,322,500.44/107,554.03
  6. Step 6: Final answer
    x = 58,745.57

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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.