Home / 50,905.20-76,390.20-29,845.20

Finding the Fourth Proportional to 50,905.20, 76,390.20 and 29,845.20

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Solution

The fourth proportional to 50,905.20, 76,390.20 and 29,845.20 is: 44,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.20 : 76,390.20 = 29,845.20 : x
  2. Step 2: Convert to fraction form
    50,905.20/76,390.20 = 29,845.20/x
  3. Step 3: Cross multiply
    50,905.20x = 76,390.20 × 29,845.20
  4. Step 4: Simplify right side
    50,905.20x = 2,279,880,797.04
  5. Step 5: Solve for x
    x = 2,279,880,797.04/50,905.20
  6. Step 6: Final answer
    x = 44,786.80

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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.