Home / 107,725.76-161,610.48-45,396.24

Finding the Fourth Proportional to 107,725.76, 161,610.48 and 45,396.24

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Solution

The fourth proportional to 107,725.76, 161,610.48 and 45,396.24 is: 68,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.76 : 161,610.48 = 45,396.24 : x
  2. Step 2: Convert to fraction form
    107,725.76/161,610.48 = 45,396.24/x
  3. Step 3: Cross multiply
    107,725.76x = 161,610.48 × 45,396.24
  4. Step 4: Simplify right side
    107,725.76x = 7,336,508,136.60
  5. Step 5: Solve for x
    x = 7,336,508,136.60/107,725.76
  6. Step 6: Final answer
    x = 68,103.56

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1.5x scale

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.