Home / 80,821.14-111,523.37-46,364.09

Finding the Fourth Proportional to 80,821.14, 111,523.37 and 46,364.09

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Solution

The fourth proportional to 80,821.14, 111,523.37 and 46,364.09 is: 63,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821.14 : 111,523.37 = 46,364.09 : x
  2. Step 2: Convert to fraction form
    80,821.14/111,523.37 = 46,364.09/x
  3. Step 3: Cross multiply
    80,821.14x = 111,523.37 × 46,364.09
  4. Step 4: Simplify right side
    80,821.14x = 5,170,678,774.35
  5. Step 5: Solve for x
    x = 5,170,678,774.35/80,821.14
  6. Step 6: Final answer
    x = 63,976.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.