Home / 80,472.56-111,118.44-52,226.48

Finding the Fourth Proportional to 80,472.56, 111,118.44 and 52,226.48

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Solution

The fourth proportional to 80,472.56, 111,118.44 and 52,226.48 is: 72,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,472.56 : 111,118.44 = 52,226.48 : x
  2. Step 2: Convert to fraction form
    80,472.56/111,118.44 = 52,226.48/x
  3. Step 3: Cross multiply
    80,472.56x = 111,118.44 × 52,226.48
  4. Step 4: Simplify right side
    80,472.56x = 5,803,324,984.29
  5. Step 5: Solve for x
    x = 5,803,324,984.29/80,472.56
  6. Step 6: Final answer
    x = 72,115.58

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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.