Home / 207,581.01-311,371.73-57,821.61

Finding the Fourth Proportional to 207,581.01, 311,371.73 and 57,821.61

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Solution

The fourth proportional to 207,581.01, 311,371.73 and 57,821.61 is: 86,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,581.01 : 311,371.73 = 57,821.61 : x
  2. Step 2: Convert to fraction form
    207,581.01/311,371.73 = 57,821.61/x
  3. Step 3: Cross multiply
    207,581.01x = 311,371.73 × 57,821.61
  4. Step 4: Simplify right side
    207,581.01x = 18,004,014,447.98
  5. Step 5: Solve for x
    x = 18,004,014,447.98/207,581.01
  6. Step 6: Final answer
    x = 86,732.47

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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.