Home / 54,920.70-75,787.56-31,046.04

Finding the Fourth Proportional to 54,920.70, 75,787.56 and 31,046.04

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Solution

The fourth proportional to 54,920.70, 75,787.56 and 31,046.04 is: 42,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.70 : 75,787.56 = 31,046.04 : x
  2. Step 2: Convert to fraction form
    54,920.70/75,787.56 = 31,046.04/x
  3. Step 3: Cross multiply
    54,920.70x = 75,787.56 × 31,046.04
  4. Step 4: Simplify right side
    54,920.70x = 2,352,903,619.26
  5. Step 5: Solve for x
    x = 2,352,903,619.26/54,920.70
  6. Step 6: Final answer
    x = 42,841.84

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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.