Home / 90,654.93-125,098.02-50,367.96

Finding the Fourth Proportional to 90,654.93, 125,098.02 and 50,367.96

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Solution

The fourth proportional to 90,654.93, 125,098.02 and 50,367.96 is: 69,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,654.93 : 125,098.02 = 50,367.96 : x
  2. Step 2: Convert to fraction form
    90,654.93/125,098.02 = 50,367.96/x
  3. Step 3: Cross multiply
    90,654.93x = 125,098.02 × 50,367.96
  4. Step 4: Simplify right side
    90,654.93x = 6,300,932,067.44
  5. Step 5: Solve for x
    x = 6,300,932,067.44/90,654.93
  6. Step 6: Final answer
    x = 69,504.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.