Home / 48,990.20-73,482.66-28,738.22

Finding the Fourth Proportional to 48,990.20, 73,482.66 and 28,738.22

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Solution

The fourth proportional to 48,990.20, 73,482.66 and 28,738.22 is: 43,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.20 : 73,482.66 = 28,738.22 : x
  2. Step 2: Convert to fraction form
    48,990.20/73,482.66 = 28,738.22/x
  3. Step 3: Cross multiply
    48,990.20x = 73,482.66 × 28,738.22
  4. Step 4: Simplify right side
    48,990.20x = 2,111,760,849.27
  5. Step 5: Solve for x
    x = 2,111,760,849.27/48,990.20
  6. Step 6: Final answer
    x = 43,105.78

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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.