Home / 54,623.36-81,983.88-27,987.52

Finding the Fourth Proportional to 54,623.36, 81,983.88 and 27,987.52

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Solution

The fourth proportional to 54,623.36, 81,983.88 and 27,987.52 is: 42,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.36 : 81,983.88 = 27,987.52 : x
  2. Step 2: Convert to fraction form
    54,623.36/81,983.88 = 27,987.52/x
  3. Step 3: Cross multiply
    54,623.36x = 81,983.88 × 27,987.52
  4. Step 4: Simplify right side
    54,623.36x = 2,294,525,481.18
  5. Step 5: Solve for x
    x = 2,294,525,481.18/54,623.36
  6. Step 6: Final answer
    x = 42,006.30

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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.