Home / 49,847.92-74,771.34-28,819.60

Finding the Fourth Proportional to 49,847.92, 74,771.34 and 28,819.60

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Solution

The fourth proportional to 49,847.92, 74,771.34 and 28,819.60 is: 43,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.92 : 74,771.34 = 28,819.60 : x
  2. Step 2: Convert to fraction form
    49,847.92/74,771.34 = 28,819.60/x
  3. Step 3: Cross multiply
    49,847.92x = 74,771.34 × 28,819.60
  4. Step 4: Simplify right side
    49,847.92x = 2,154,880,110.26
  5. Step 5: Solve for x
    x = 2,154,880,110.26/49,847.92
  6. Step 6: Final answer
    x = 43,229.09

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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.