Home / 54,511.60-81,767.40-17,074.80

Finding the Fourth Proportional to 54,511.60, 81,767.40 and 17,074.80

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Solution

The fourth proportional to 54,511.60, 81,767.40 and 17,074.80 is: 25,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.60 : 81,767.40 = 17,074.80 : x
  2. Step 2: Convert to fraction form
    54,511.60/81,767.40 = 17,074.80/x
  3. Step 3: Cross multiply
    54,511.60x = 81,767.40 × 17,074.80
  4. Step 4: Simplify right side
    54,511.60x = 1,396,162,001.52
  5. Step 5: Solve for x
    x = 1,396,162,001.52/54,511.60
  6. Step 6: Final answer
    x = 25,612.20

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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.