Home / 107,676.36-161,501.82-28,796.70

Finding the Fourth Proportional to 107,676.36, 161,501.82 and 28,796.70

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Solution

The fourth proportional to 107,676.36, 161,501.82 and 28,796.70 is: 43,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,676.36 : 161,501.82 = 28,796.70 : x
  2. Step 2: Convert to fraction form
    107,676.36/161,501.82 = 28,796.70/x
  3. Step 3: Cross multiply
    107,676.36x = 161,501.82 × 28,796.70
  4. Step 4: Simplify right side
    107,676.36x = 4,650,719,459.99
  5. Step 5: Solve for x
    x = 4,650,719,459.99/107,676.36
  6. Step 6: Final answer
    x = 43,191.65

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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.