Home / 81,005.09-111,714.26-50,793.71

Finding the Fourth Proportional to 81,005.09, 111,714.26 and 50,793.71

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Solution

The fourth proportional to 81,005.09, 111,714.26 and 50,793.71 is: 70,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,005.09 : 111,714.26 = 50,793.71 : x
  2. Step 2: Convert to fraction form
    81,005.09/111,714.26 = 50,793.71/x
  3. Step 3: Cross multiply
    81,005.09x = 111,714.26 × 50,793.71
  4. Step 4: Simplify right side
    81,005.09x = 5,674,380,912.76
  5. Step 5: Solve for x
    x = 5,674,380,912.76/81,005.09
  6. Step 6: Final answer
    x = 70,049.69

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1.5x scale

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.