Home / 80,669.96-111,266.24-62,204.88

Finding the Fourth Proportional to 80,669.96, 111,266.24 and 62,204.88

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Solution

The fourth proportional to 80,669.96, 111,266.24 and 62,204.88 is: 85,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,669.96 : 111,266.24 = 62,204.88 : x
  2. Step 2: Convert to fraction form
    80,669.96/111,266.24 = 62,204.88/x
  3. Step 3: Cross multiply
    80,669.96x = 111,266.24 × 62,204.88
  4. Step 4: Simplify right side
    80,669.96x = 6,921,303,107.25
  5. Step 5: Solve for x
    x = 6,921,303,107.25/80,669.96
  6. Step 6: Final answer
    x = 85,797.78

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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.