Home / 65,936.09-90,976.05-39,073.97

Finding the Fourth Proportional to 65,936.09, 90,976.05 and 39,073.97

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Solution

The fourth proportional to 65,936.09, 90,976.05 and 39,073.97 is: 53,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.09 : 90,976.05 = 39,073.97 : x
  2. Step 2: Convert to fraction form
    65,936.09/90,976.05 = 39,073.97/x
  3. Step 3: Cross multiply
    65,936.09x = 90,976.05 × 39,073.97
  4. Step 4: Simplify right side
    65,936.09x = 3,554,795,675.86
  5. Step 5: Solve for x
    x = 3,554,795,675.86/65,936.09
  6. Step 6: Final answer
    x = 53,912.74

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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.