Home / 109,819.60-164,680.80-50,624.80

Finding the Fourth Proportional to 109,819.60, 164,680.80 and 50,624.80

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Solution

The fourth proportional to 109,819.60, 164,680.80 and 50,624.80 is: 75,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.60 : 164,680.80 = 50,624.80 : x
  2. Step 2: Convert to fraction form
    109,819.60/164,680.80 = 50,624.80/x
  3. Step 3: Cross multiply
    109,819.60x = 164,680.80 × 50,624.80
  4. Step 4: Simplify right side
    109,819.60x = 8,336,932,563.84
  5. Step 5: Solve for x
    x = 8,336,932,563.84/109,819.60
  6. Step 6: Final answer
    x = 75,914.80

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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.