Home / 48,121.20-72,084.60-33,346.80

Finding the Fourth Proportional to 48,121.20, 72,084.60 and 33,346.80

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Solution

The fourth proportional to 48,121.20, 72,084.60 and 33,346.80 is: 49,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.20 : 72,084.60 = 33,346.80 : x
  2. Step 2: Convert to fraction form
    48,121.20/72,084.60 = 33,346.80/x
  3. Step 3: Cross multiply
    48,121.20x = 72,084.60 × 33,346.80
  4. Step 4: Simplify right side
    48,121.20x = 2,403,790,739.28
  5. Step 5: Solve for x
    x = 2,403,790,739.28/48,121.20
  6. Step 6: Final answer
    x = 49,952.84

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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.