Home / 80,600.85-111,154.82-50,376.51

Finding the Fourth Proportional to 80,600.85, 111,154.82 and 50,376.51

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Solution

The fourth proportional to 80,600.85, 111,154.82 and 50,376.51 is: 69,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,600.85 : 111,154.82 = 50,376.51 : x
  2. Step 2: Convert to fraction form
    80,600.85/111,154.82 = 50,376.51/x
  3. Step 3: Cross multiply
    80,600.85x = 111,154.82 × 50,376.51
  4. Step 4: Simplify right side
    80,600.85x = 5,599,591,649.40
  5. Step 5: Solve for x
    x = 5,599,591,649.40/80,600.85
  6. Step 6: Final answer
    x = 69,473.11

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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.