Home / 54,918.30-75,787.26-29,767.80

Finding the Fourth Proportional to 54,918.30, 75,787.26 and 29,767.80

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Solution

The fourth proportional to 54,918.30, 75,787.26 and 29,767.80 is: 41,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.30 : 75,787.26 = 29,767.80 : x
  2. Step 2: Convert to fraction form
    54,918.30/75,787.26 = 29,767.80/x
  3. Step 3: Cross multiply
    54,918.30x = 75,787.26 × 29,767.80
  4. Step 4: Simplify right side
    54,918.30x = 2,256,019,998.23
  5. Step 5: Solve for x
    x = 2,256,019,998.23/54,918.30
  6. Step 6: Final answer
    x = 41,079.57

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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.