Home / 80,734.08-111,453.39-62,544.33

Finding the Fourth Proportional to 80,734.08, 111,453.39 and 62,544.33

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Solution

The fourth proportional to 80,734.08, 111,453.39 and 62,544.33 is: 86,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,734.08 : 111,453.39 = 62,544.33 : x
  2. Step 2: Convert to fraction form
    80,734.08/111,453.39 = 62,544.33/x
  3. Step 3: Cross multiply
    80,734.08x = 111,453.39 × 62,544.33
  4. Step 4: Simplify right side
    80,734.08x = 6,970,777,603.78
  5. Step 5: Solve for x
    x = 6,970,777,603.78/80,734.08
  6. Step 6: Final answer
    x = 86,342.44

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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.