Home / 74,083.66-111,131.16-31,964.74

Finding the Fourth Proportional to 74,083.66, 111,131.16 and 31,964.74

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Solution

The fourth proportional to 74,083.66, 111,131.16 and 31,964.74 is: 47,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083.66 : 111,131.16 = 31,964.74 : x
  2. Step 2: Convert to fraction form
    74,083.66/111,131.16 = 31,964.74/x
  3. Step 3: Cross multiply
    74,083.66x = 111,131.16 × 31,964.74
  4. Step 4: Simplify right side
    74,083.66x = 3,552,278,635.30
  5. Step 5: Solve for x
    x = 3,552,278,635.30/74,083.66
  6. Step 6: Final answer
    x = 47,949.56

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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.