Home / 49,079.20-73,651.20-28,019.20

Finding the Fourth Proportional to 49,079.20, 73,651.20 and 28,019.20

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Solution

The fourth proportional to 49,079.20, 73,651.20 and 28,019.20 is: 42,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.20 : 73,651.20 = 28,019.20 : x
  2. Step 2: Convert to fraction form
    49,079.20/73,651.20 = 28,019.20/x
  3. Step 3: Cross multiply
    49,079.20x = 73,651.20 × 28,019.20
  4. Step 4: Simplify right side
    49,079.20x = 2,063,647,703.04
  5. Step 5: Solve for x
    x = 2,063,647,703.04/49,079.20
  6. Step 6: Final answer
    x = 42,047.30

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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.