Home / 50,949.20-76,354.68-28,751.60

Finding the Fourth Proportional to 50,949.20, 76,354.68 and 28,751.60

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Solution

The fourth proportional to 50,949.20, 76,354.68 and 28,751.60 is: 43,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.20 : 76,354.68 = 28,751.60 : x
  2. Step 2: Convert to fraction form
    50,949.20/76,354.68 = 28,751.60/x
  3. Step 3: Cross multiply
    50,949.20x = 76,354.68 × 28,751.60
  4. Step 4: Simplify right side
    50,949.20x = 2,195,319,217.49
  5. Step 5: Solve for x
    x = 2,195,319,217.49/50,949.20
  6. Step 6: Final answer
    x = 43,088.39

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1.5x scale

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.