Home / 99,906.75-149,856.68-25,027.55

Finding the Fourth Proportional to 99,906.75, 149,856.68 and 25,027.55

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Solution

The fourth proportional to 99,906.75, 149,856.68 and 25,027.55 is: 37,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,906.75 : 149,856.68 = 25,027.55 : x
  2. Step 2: Convert to fraction form
    99,906.75/149,856.68 = 25,027.55/x
  3. Step 3: Cross multiply
    99,906.75x = 149,856.68 × 25,027.55
  4. Step 4: Simplify right side
    99,906.75x = 3,750,544,677.11
  5. Step 5: Solve for x
    x = 3,750,544,677.11/99,906.75
  6. Step 6: Final answer
    x = 37,540.45

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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.