Home / 54,918.61-75,787.14-29,768.11

Finding the Fourth Proportional to 54,918.61, 75,787.14 and 29,768.11

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Solution

The fourth proportional to 54,918.61, 75,787.14 and 29,768.11 is: 41,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.61 : 75,787.14 = 29,768.11 : x
  2. Step 2: Convert to fraction form
    54,918.61/75,787.14 = 29,768.11/x
  3. Step 3: Cross multiply
    54,918.61x = 75,787.14 × 29,768.11
  4. Step 4: Simplify right side
    54,918.61x = 2,256,039,842.27
  5. Step 5: Solve for x
    x = 2,256,039,842.27/54,918.61
  6. Step 6: Final answer
    x = 41,079.70

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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.