Home / 107,757.18-161,638.41-36,679.68

Finding the Fourth Proportional to 107,757.18, 161,638.41 and 36,679.68

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Solution

The fourth proportional to 107,757.18, 161,638.41 and 36,679.68 is: 55,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.18 : 161,638.41 = 36,679.68 : x
  2. Step 2: Convert to fraction form
    107,757.18/161,638.41 = 36,679.68/x
  3. Step 3: Cross multiply
    107,757.18x = 161,638.41 × 36,679.68
  4. Step 4: Simplify right side
    107,757.18x = 5,928,845,154.51
  5. Step 5: Solve for x
    x = 5,928,845,154.51/107,757.18
  6. Step 6: Final answer
    x = 55,020.42

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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.