Home / 80,635.25-111,267.12-47,924.56

Finding the Fourth Proportional to 80,635.25, 111,267.12 and 47,924.56

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Solution

The fourth proportional to 80,635.25, 111,267.12 and 47,924.56 is: 66,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635.25 : 111,267.12 = 47,924.56 : x
  2. Step 2: Convert to fraction form
    80,635.25/111,267.12 = 47,924.56/x
  3. Step 3: Cross multiply
    80,635.25x = 111,267.12 × 47,924.56
  4. Step 4: Simplify right side
    80,635.25x = 5,332,427,817.69
  5. Step 5: Solve for x
    x = 5,332,427,817.69/80,635.25
  6. Step 6: Final answer
    x = 66,130.23

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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.