Home / 54,387.48-81,544.31-27,667.80

Finding the Fourth Proportional to 54,387.48, 81,544.31 and 27,667.80

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Solution

The fourth proportional to 54,387.48, 81,544.31 and 27,667.80 is: 41,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.48 : 81,544.31 = 27,667.80 : x
  2. Step 2: Convert to fraction form
    54,387.48/81,544.31 = 27,667.80/x
  3. Step 3: Cross multiply
    54,387.48x = 81,544.31 × 27,667.80
  4. Step 4: Simplify right side
    54,387.48x = 2,256,151,521.88
  5. Step 5: Solve for x
    x = 2,256,151,521.88/54,387.48
  6. Step 6: Final answer
    x = 41,482.92

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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.