Home / 107,856.92-161,858.31-37,736.84

Finding the Fourth Proportional to 107,856.92, 161,858.31 and 37,736.84

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Solution

The fourth proportional to 107,856.92, 161,858.31 and 37,736.84 is: 56,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856.92 : 161,858.31 = 37,736.84 : x
  2. Step 2: Convert to fraction form
    107,856.92/161,858.31 = 37,736.84/x
  3. Step 3: Cross multiply
    107,856.92x = 161,858.31 × 37,736.84
  4. Step 4: Simplify right side
    107,856.92x = 6,108,021,147.14
  5. Step 5: Solve for x
    x = 6,108,021,147.14/107,856.92
  6. Step 6: Final answer
    x = 56,630.78

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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.