Home / 91,144.82-125,767.31-50,850.79

Finding the Fourth Proportional to 91,144.82, 125,767.31 and 50,850.79

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Solution

The fourth proportional to 91,144.82, 125,767.31 and 50,850.79 is: 70,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,144.82 : 125,767.31 = 50,850.79 : x
  2. Step 2: Convert to fraction form
    91,144.82/125,767.31 = 50,850.79/x
  3. Step 3: Cross multiply
    91,144.82x = 125,767.31 × 50,850.79
  4. Step 4: Simplify right side
    91,144.82x = 6,395,366,644.02
  5. Step 5: Solve for x
    x = 6,395,366,644.02/91,144.82
  6. Step 6: Final answer
    x = 70,167.09

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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.