Home / 80,871.25-111,600.83-45,060.49

Finding the Fourth Proportional to 80,871.25, 111,600.83 and 45,060.49

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Solution

The fourth proportional to 80,871.25, 111,600.83 and 45,060.49 is: 62,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,871.25 : 111,600.83 = 45,060.49 : x
  2. Step 2: Convert to fraction form
    80,871.25/111,600.83 = 45,060.49/x
  3. Step 3: Cross multiply
    80,871.25x = 111,600.83 × 45,060.49
  4. Step 4: Simplify right side
    80,871.25x = 5,028,787,526.20
  5. Step 5: Solve for x
    x = 5,028,787,526.20/80,871.25
  6. Step 6: Final answer
    x = 62,182.64

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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.