Home / 90,611.15-135,906.16-24,056.45

Finding the Fourth Proportional to 90,611.15, 135,906.16 and 24,056.45

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Solution

The fourth proportional to 90,611.15, 135,906.16 and 24,056.45 is: 36,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,611.15 : 135,906.16 = 24,056.45 : x
  2. Step 2: Convert to fraction form
    90,611.15/135,906.16 = 24,056.45/x
  3. Step 3: Cross multiply
    90,611.15x = 135,906.16 × 24,056.45
  4. Step 4: Simplify right side
    90,611.15x = 3,269,419,742.73
  5. Step 5: Solve for x
    x = 3,269,419,742.73/90,611.15
  6. Step 6: Final answer
    x = 36,081.87

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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.