Home / 91,011.06-125,601.57-55,202.58

Finding the Fourth Proportional to 91,011.06, 125,601.57 and 55,202.58

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Solution

The fourth proportional to 91,011.06, 125,601.57 and 55,202.58 is: 76,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.06 : 125,601.57 = 55,202.58 : x
  2. Step 2: Convert to fraction form
    91,011.06/125,601.57 = 55,202.58/x
  3. Step 3: Cross multiply
    91,011.06x = 125,601.57 × 55,202.58
  4. Step 4: Simplify right side
    91,011.06x = 6,933,530,716.05
  5. Step 5: Solve for x
    x = 6,933,530,716.05/91,011.06
  6. Step 6: Final answer
    x = 76,183.39

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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.