Home / 72,976.83-109,469.87-30,849.06

Finding the Fourth Proportional to 72,976.83, 109,469.87 and 30,849.06

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Solution

The fourth proportional to 72,976.83, 109,469.87 and 30,849.06 is: 46,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,976.83 : 109,469.87 = 30,849.06 : x
  2. Step 2: Convert to fraction form
    72,976.83/109,469.87 = 30,849.06/x
  3. Step 3: Cross multiply
    72,976.83x = 109,469.87 × 30,849.06
  4. Step 4: Simplify right side
    72,976.83x = 3,377,042,738.65
  5. Step 5: Solve for x
    x = 3,377,042,738.65/72,976.83
  6. Step 6: Final answer
    x = 46,275.55

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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.