Home / 81,014.25-111,805.94-44,722.81

Finding the Fourth Proportional to 81,014.25, 111,805.94 and 44,722.81

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Solution

The fourth proportional to 81,014.25, 111,805.94 and 44,722.81 is: 61,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,014.25 : 111,805.94 = 44,722.81 : x
  2. Step 2: Convert to fraction form
    81,014.25/111,805.94 = 44,722.81/x
  3. Step 3: Cross multiply
    81,014.25x = 111,805.94 × 44,722.81
  4. Step 4: Simplify right side
    81,014.25x = 5,000,275,028.85
  5. Step 5: Solve for x
    x = 5,000,275,028.85/81,014.25
  6. Step 6: Final answer
    x = 61,720.93

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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.