Home / 54,810.24-82,137.60-40,053.12

Finding the Fourth Proportional to 54,810.24, 82,137.60 and 40,053.12

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Solution

The fourth proportional to 54,810.24, 82,137.60 and 40,053.12 is: 60,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.24 : 82,137.60 = 40,053.12 : x
  2. Step 2: Convert to fraction form
    54,810.24/82,137.60 = 40,053.12/x
  3. Step 3: Cross multiply
    54,810.24x = 82,137.60 × 40,053.12
  4. Step 4: Simplify right side
    54,810.24x = 3,289,867,149.31
  5. Step 5: Solve for x
    x = 3,289,867,149.31/54,810.24
  6. Step 6: Final answer
    x = 60,022.86

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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.