Home / 107,734.96-161,502.66-55,028.20

Finding the Fourth Proportional to 107,734.96, 161,502.66 and 55,028.20

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Solution

The fourth proportional to 107,734.96, 161,502.66 and 55,028.20 is: 82,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,734.96 : 161,502.66 = 55,028.20 : x
  2. Step 2: Convert to fraction form
    107,734.96/161,502.66 = 55,028.20/x
  3. Step 3: Cross multiply
    107,734.96x = 161,502.66 × 55,028.20
  4. Step 4: Simplify right side
    107,734.96x = 8,887,200,675.01
  5. Step 5: Solve for x
    x = 8,887,200,675.01/107,734.96
  6. Step 6: Final answer
    x = 82,491.33

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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.