Home / 84,950.82-117,777.02-80,226.90

Finding the Fourth Proportional to 84,950.82, 117,777.02 and 80,226.90

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Solution

The fourth proportional to 84,950.82, 117,777.02 and 80,226.90 is: 111,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,950.82 : 117,777.02 = 80,226.90 : x
  2. Step 2: Convert to fraction form
    84,950.82/117,777.02 = 80,226.90/x
  3. Step 3: Cross multiply
    84,950.82x = 117,777.02 × 80,226.90
  4. Step 4: Simplify right side
    84,950.82x = 9,448,884,804.70
  5. Step 5: Solve for x
    x = 9,448,884,804.70/84,950.82
  6. Step 6: Final answer
    x = 111,227.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.