Home / 54,709.08-82,141.38-52,203.48

Finding the Fourth Proportional to 54,709.08, 82,141.38 and 52,203.48

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Solution

The fourth proportional to 54,709.08, 82,141.38 and 52,203.48 is: 78,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.08 : 82,141.38 = 52,203.48 : x
  2. Step 2: Convert to fraction form
    54,709.08/82,141.38 = 52,203.48/x
  3. Step 3: Cross multiply
    54,709.08x = 82,141.38 × 52,203.48
  4. Step 4: Simplify right side
    54,709.08x = 4,288,065,888.00
  5. Step 5: Solve for x
    x = 4,288,065,888.00/54,709.08
  6. Step 6: Final answer
    x = 78,379.42

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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.