Home / 54,665.14-81,997.71-31,275.18

Finding the Fourth Proportional to 54,665.14, 81,997.71 and 31,275.18

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Solution

The fourth proportional to 54,665.14, 81,997.71 and 31,275.18 is: 46,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.14 : 81,997.71 = 31,275.18 : x
  2. Step 2: Convert to fraction form
    54,665.14/81,997.71 = 31,275.18/x
  3. Step 3: Cross multiply
    54,665.14x = 81,997.71 × 31,275.18
  4. Step 4: Simplify right side
    54,665.14x = 2,564,492,896.53
  5. Step 5: Solve for x
    x = 2,564,492,896.53/54,665.14
  6. Step 6: Final answer
    x = 46,912.76

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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.