Home / 80,156.26-110,651.07-47,902.26

Finding the Fourth Proportional to 80,156.26, 110,651.07 and 47,902.26

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Solution

The fourth proportional to 80,156.26, 110,651.07 and 47,902.26 is: 66,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,156.26 : 110,651.07 = 47,902.26 : x
  2. Step 2: Convert to fraction form
    80,156.26/110,651.07 = 47,902.26/x
  3. Step 3: Cross multiply
    80,156.26x = 110,651.07 × 47,902.26
  4. Step 4: Simplify right side
    80,156.26x = 5,300,436,324.42
  5. Step 5: Solve for x
    x = 5,300,436,324.42/80,156.26
  6. Step 6: Final answer
    x = 66,126.29

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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.