Home / 54,556.92-81,758.43-43,414.02

Finding the Fourth Proportional to 54,556.92, 81,758.43 and 43,414.02

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Solution

The fourth proportional to 54,556.92, 81,758.43 and 43,414.02 is: 65,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.92 : 81,758.43 = 43,414.02 : x
  2. Step 2: Convert to fraction form
    54,556.92/81,758.43 = 43,414.02/x
  3. Step 3: Cross multiply
    54,556.92x = 81,758.43 × 43,414.02
  4. Step 4: Simplify right side
    54,556.92x = 3,549,462,115.19
  5. Step 5: Solve for x
    x = 3,549,462,115.19/54,556.92
  6. Step 6: Final answer
    x = 65,059.80

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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.