Home / 107,490.94-161,236.78-32,611.70

Finding the Fourth Proportional to 107,490.94, 161,236.78 and 32,611.70

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Solution

The fourth proportional to 107,490.94, 161,236.78 and 32,611.70 is: 48,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,490.94 : 161,236.78 = 32,611.70 : x
  2. Step 2: Convert to fraction form
    107,490.94/161,236.78 = 32,611.70/x
  3. Step 3: Cross multiply
    107,490.94x = 161,236.78 × 32,611.70
  4. Step 4: Simplify right side
    107,490.94x = 5,258,205,819.89
  5. Step 5: Solve for x
    x = 5,258,205,819.89/107,490.94
  6. Step 6: Final answer
    x = 48,917.67

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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.