Home / 107,563.41-161,365.64-40,997.97

Finding the Fourth Proportional to 107,563.41, 161,365.64 and 40,997.97

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Solution

The fourth proportional to 107,563.41, 161,365.64 and 40,997.97 is: 61,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,563.41 : 161,365.64 = 40,997.97 : x
  2. Step 2: Convert to fraction form
    107,563.41/161,365.64 = 40,997.97/x
  3. Step 3: Cross multiply
    107,563.41x = 161,365.64 × 40,997.97
  4. Step 4: Simplify right side
    107,563.41x = 6,615,663,462.76
  5. Step 5: Solve for x
    x = 6,615,663,462.76/107,563.41
  6. Step 6: Final answer
    x = 61,504.78

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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.