Home / 107,343.74-161,019.94-27,383.78

Finding the Fourth Proportional to 107,343.74, 161,019.94 and 27,383.78

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Solution

The fourth proportional to 107,343.74, 161,019.94 and 27,383.78 is: 41,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,343.74 : 161,019.94 = 27,383.78 : x
  2. Step 2: Convert to fraction form
    107,343.74/161,019.94 = 27,383.78/x
  3. Step 3: Cross multiply
    107,343.74x = 161,019.94 × 27,383.78
  4. Step 4: Simplify right side
    107,343.74x = 4,409,334,612.57
  5. Step 5: Solve for x
    x = 4,409,334,612.57/107,343.74
  6. Step 6: Final answer
    x = 41,076.77

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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.