Home / 54,227.20-81,232.80-47,732.80

Finding the Fourth Proportional to 54,227.20, 81,232.80 and 47,732.80

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Solution

The fourth proportional to 54,227.20, 81,232.80 and 47,732.80 is: 71,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,227.20 : 81,232.80 = 47,732.80 : x
  2. Step 2: Convert to fraction form
    54,227.20/81,232.80 = 47,732.80/x
  3. Step 3: Cross multiply
    54,227.20x = 81,232.80 × 47,732.80
  4. Step 4: Simplify right side
    54,227.20x = 3,877,468,995.84
  5. Step 5: Solve for x
    x = 3,877,468,995.84/54,227.20
  6. Step 6: Final answer
    x = 71,504.13

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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.