Home / 107,427.60-161,146.87-39,944.68

Finding the Fourth Proportional to 107,427.60, 161,146.87 and 39,944.68

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Solution

The fourth proportional to 107,427.60, 161,146.87 and 39,944.68 is: 59,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.60 : 161,146.87 = 39,944.68 : x
  2. Step 2: Convert to fraction form
    107,427.60/161,146.87 = 39,944.68/x
  3. Step 3: Cross multiply
    107,427.60x = 161,146.87 × 39,944.68
  4. Step 4: Simplify right side
    107,427.60x = 6,436,959,652.42
  5. Step 5: Solve for x
    x = 6,436,959,652.42/107,427.60
  6. Step 6: Final answer
    x = 59,919.05

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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.