Home / 70,723.20-105,928.07-41,067.48

Finding the Fourth Proportional to 70,723.20, 105,928.07 and 41,067.48

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Solution

The fourth proportional to 70,723.20, 105,928.07 and 41,067.48 is: 61,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.20 : 105,928.07 = 41,067.48 : x
  2. Step 2: Convert to fraction form
    70,723.20/105,928.07 = 41,067.48/x
  3. Step 3: Cross multiply
    70,723.20x = 105,928.07 × 41,067.48
  4. Step 4: Simplify right side
    70,723.20x = 4,350,198,690.83
  5. Step 5: Solve for x
    x = 4,350,198,690.83/70,723.20
  6. Step 6: Final answer
    x = 61,510.21

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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.