Home / 80,180.67-110,651.13-51,935.52

Finding the Fourth Proportional to 80,180.67, 110,651.13 and 51,935.52

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Solution

The fourth proportional to 80,180.67, 110,651.13 and 51,935.52 is: 71,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,180.67 : 110,651.13 = 51,935.52 : x
  2. Step 2: Convert to fraction form
    80,180.67/110,651.13 = 51,935.52/x
  3. Step 3: Cross multiply
    80,180.67x = 110,651.13 × 51,935.52
  4. Step 4: Simplify right side
    80,180.67x = 5,746,723,975.14
  5. Step 5: Solve for x
    x = 5,746,723,975.14/80,180.67
  6. Step 6: Final answer
    x = 71,672.19

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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.