Home / 54,916.92-75,782.39-31,042.17

Finding the Fourth Proportional to 54,916.92, 75,782.39 and 31,042.17

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Solution

The fourth proportional to 54,916.92, 75,782.39 and 31,042.17 is: 42,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.92 : 75,782.39 = 31,042.17 : x
  2. Step 2: Convert to fraction form
    54,916.92/75,782.39 = 31,042.17/x
  3. Step 3: Cross multiply
    54,916.92x = 75,782.39 × 31,042.17
  4. Step 4: Simplify right side
    54,916.92x = 2,352,449,678.18
  5. Step 5: Solve for x
    x = 2,352,449,678.18/54,916.92
  6. Step 6: Final answer
    x = 42,836.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.