Home / 69,382.44-95,749.52-39,170.57

Finding the Fourth Proportional to 69,382.44, 95,749.52 and 39,170.57

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Solution

The fourth proportional to 69,382.44, 95,749.52 and 39,170.57 is: 54,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,382.44 : 95,749.52 = 39,170.57 : x
  2. Step 2: Convert to fraction form
    69,382.44/95,749.52 = 39,170.57/x
  3. Step 3: Cross multiply
    69,382.44x = 95,749.52 × 39,170.57
  4. Step 4: Simplify right side
    69,382.44x = 3,750,562,601.03
  5. Step 5: Solve for x
    x = 3,750,562,601.03/69,382.44
  6. Step 6: Final answer
    x = 54,056.37

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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.