Home / 54,292.65-81,382.14-22,720.80

Finding the Fourth Proportional to 54,292.65, 81,382.14 and 22,720.80

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Solution

The fourth proportional to 54,292.65, 81,382.14 and 22,720.80 is: 34,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,292.65 : 81,382.14 = 22,720.80 : x
  2. Step 2: Convert to fraction form
    54,292.65/81,382.14 = 22,720.80/x
  3. Step 3: Cross multiply
    54,292.65x = 81,382.14 × 22,720.80
  4. Step 4: Simplify right side
    54,292.65x = 1,849,067,695.60
  5. Step 5: Solve for x
    x = 1,849,067,695.60/54,292.65
  6. Step 6: Final answer
    x = 34,057.42

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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.