Home / 54,056.83-81,080.29-38,329.33

Finding the Fourth Proportional to 54,056.83, 81,080.29 and 38,329.33

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Solution

The fourth proportional to 54,056.83, 81,080.29 and 38,329.33 is: 57,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.83 : 81,080.29 = 38,329.33 : x
  2. Step 2: Convert to fraction form
    54,056.83/81,080.29 = 38,329.33/x
  3. Step 3: Cross multiply
    54,056.83x = 81,080.29 × 38,329.33
  4. Step 4: Simplify right side
    54,056.83x = 3,107,753,191.91
  5. Step 5: Solve for x
    x = 3,107,753,191.91/54,056.83
  6. Step 6: Final answer
    x = 57,490.48

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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.