Home / 69,791.08-104,714.61-25,420.90

Finding the Fourth Proportional to 69,791.08, 104,714.61 and 25,420.90

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Solution

The fourth proportional to 69,791.08, 104,714.61 and 25,420.90 is: 38,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.08 : 104,714.61 = 25,420.90 : x
  2. Step 2: Convert to fraction form
    69,791.08/104,714.61 = 25,420.90/x
  3. Step 3: Cross multiply
    69,791.08x = 104,714.61 × 25,420.90
  4. Step 4: Simplify right side
    69,791.08x = 2,661,939,629.35
  5. Step 5: Solve for x
    x = 2,661,939,629.35/69,791.08
  6. Step 6: Final answer
    x = 38,141.55

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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.