Home / 91,029.21-136,559.46-27,847.82

Finding the Fourth Proportional to 91,029.21, 136,559.46 and 27,847.82

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Solution

The fourth proportional to 91,029.21, 136,559.46 and 27,847.82 is: 41,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029.21 : 136,559.46 = 27,847.82 : x
  2. Step 2: Convert to fraction form
    91,029.21/136,559.46 = 27,847.82/x
  3. Step 3: Cross multiply
    91,029.21x = 136,559.46 × 27,847.82
  4. Step 4: Simplify right side
    91,029.21x = 3,802,882,578.58
  5. Step 5: Solve for x
    x = 3,802,882,578.58/91,029.21
  6. Step 6: Final answer
    x = 41,776.51

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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.