Home / 91,805.81-137,709.32-25,252.97

Finding the Fourth Proportional to 91,805.81, 137,709.32 and 25,252.97

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Solution

The fourth proportional to 91,805.81, 137,709.32 and 25,252.97 is: 37,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,805.81 : 137,709.32 = 25,252.97 : x
  2. Step 2: Convert to fraction form
    91,805.81/137,709.32 = 25,252.97/x
  3. Step 3: Cross multiply
    91,805.81x = 137,709.32 × 25,252.97
  4. Step 4: Simplify right side
    91,805.81x = 3,477,568,511.87
  5. Step 5: Solve for x
    x = 3,477,568,511.87/91,805.81
  6. Step 6: Final answer
    x = 37,879.61

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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.