Home / 54,080.04-81,120.04-39,382.48

Finding the Fourth Proportional to 54,080.04, 81,120.04 and 39,382.48

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Solution

The fourth proportional to 54,080.04, 81,120.04 and 39,382.48 is: 59,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.04 : 81,120.04 = 39,382.48 : x
  2. Step 2: Convert to fraction form
    54,080.04/81,120.04 = 39,382.48/x
  3. Step 3: Cross multiply
    54,080.04x = 81,120.04 × 39,382.48
  4. Step 4: Simplify right side
    54,080.04x = 3,194,708,352.90
  5. Step 5: Solve for x
    x = 3,194,708,352.90/54,080.04
  6. Step 6: Final answer
    x = 59,073.71

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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.