Home / 107,720.91-161,592.45-41,216.97

Finding the Fourth Proportional to 107,720.91, 161,592.45 and 41,216.97

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Solution

The fourth proportional to 107,720.91, 161,592.45 and 41,216.97 is: 61,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.91 : 161,592.45 = 41,216.97 : x
  2. Step 2: Convert to fraction form
    107,720.91/161,592.45 = 41,216.97/x
  3. Step 3: Cross multiply
    107,720.91x = 161,592.45 × 41,216.97
  4. Step 4: Simplify right side
    107,720.91x = 6,660,351,163.88
  5. Step 5: Solve for x
    x = 6,660,351,163.88/107,720.91
  6. Step 6: Final answer
    x = 61,829.70

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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.