Home / 77,226.30-106,584.39-55,997.82

Finding the Fourth Proportional to 77,226.30, 106,584.39 and 55,997.82

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Solution

The fourth proportional to 77,226.30, 106,584.39 and 55,997.82 is: 77,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,226.30 : 106,584.39 = 55,997.82 : x
  2. Step 2: Convert to fraction form
    77,226.30/106,584.39 = 55,997.82/x
  3. Step 3: Cross multiply
    77,226.30x = 106,584.39 × 55,997.82
  4. Step 4: Simplify right side
    77,226.30x = 5,968,493,486.03
  5. Step 5: Solve for x
    x = 5,968,493,486.03/77,226.30
  6. Step 6: Final answer
    x = 77,285.76

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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.