Home / 80,786.58-111,489.90-44,975.81

Finding the Fourth Proportional to 80,786.58, 111,489.90 and 44,975.81

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Solution

The fourth proportional to 80,786.58, 111,489.90 and 44,975.81 is: 62,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786.58 : 111,489.90 = 44,975.81 : x
  2. Step 2: Convert to fraction form
    80,786.58/111,489.90 = 44,975.81/x
  3. Step 3: Cross multiply
    80,786.58x = 111,489.90 × 44,975.81
  4. Step 4: Simplify right side
    80,786.58x = 5,014,348,001.87
  5. Step 5: Solve for x
    x = 5,014,348,001.87/80,786.58
  6. Step 6: Final answer
    x = 62,069.07

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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.