Home / 80,596.97-111,215.52-50,385.62

Finding the Fourth Proportional to 80,596.97, 111,215.52 and 50,385.62

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Solution

The fourth proportional to 80,596.97, 111,215.52 and 50,385.62 is: 69,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.97 : 111,215.52 = 50,385.62 : x
  2. Step 2: Convert to fraction form
    80,596.97/111,215.52 = 50,385.62/x
  3. Step 3: Cross multiply
    80,596.97x = 111,215.52 × 50,385.62
  4. Step 4: Simplify right side
    80,596.97x = 5,603,662,372.74
  5. Step 5: Solve for x
    x = 5,603,662,372.74/80,596.97
  6. Step 6: Final answer
    x = 69,526.97

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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.