Home / 54,479.22-81,697.74-21,194.82

Finding the Fourth Proportional to 54,479.22, 81,697.74 and 21,194.82

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Solution

The fourth proportional to 54,479.22, 81,697.74 and 21,194.82 is: 31,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.22 : 81,697.74 = 21,194.82 : x
  2. Step 2: Convert to fraction form
    54,479.22/81,697.74 = 21,194.82/x
  3. Step 3: Cross multiply
    54,479.22x = 81,697.74 × 21,194.82
  4. Step 4: Simplify right side
    54,479.22x = 1,731,568,893.71
  5. Step 5: Solve for x
    x = 1,731,568,893.71/54,479.22
  6. Step 6: Final answer
    x = 31,784.03

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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.