Home / 80,064.07-110,496.42-68,770.85

Finding the Fourth Proportional to 80,064.07, 110,496.42 and 68,770.85

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Solution

The fourth proportional to 80,064.07, 110,496.42 and 68,770.85 is: 94,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,064.07 : 110,496.42 = 68,770.85 : x
  2. Step 2: Convert to fraction form
    80,064.07/110,496.42 = 68,770.85/x
  3. Step 3: Cross multiply
    80,064.07x = 110,496.42 × 68,770.85
  4. Step 4: Simplify right side
    80,064.07x = 7,598,932,172.87
  5. Step 5: Solve for x
    x = 7,598,932,172.87/80,064.07
  6. Step 6: Final answer
    x = 94,910.64

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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.