Home / 51,441.06-77,161.72-27,759.75

Finding the Fourth Proportional to 51,441.06, 77,161.72 and 27,759.75

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Solution

The fourth proportional to 51,441.06, 77,161.72 and 27,759.75 is: 41,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.06 : 77,161.72 = 27,759.75 : x
  2. Step 2: Convert to fraction form
    51,441.06/77,161.72 = 27,759.75/x
  3. Step 3: Cross multiply
    51,441.06x = 77,161.72 × 27,759.75
  4. Step 4: Simplify right side
    51,441.06x = 2,141,990,007.27
  5. Step 5: Solve for x
    x = 2,141,990,007.27/51,441.06
  6. Step 6: Final answer
    x = 41,639.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.