Home / 91,855.64-137,784.20-25,299.44

Finding the Fourth Proportional to 91,855.64, 137,784.20 and 25,299.44

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Solution

The fourth proportional to 91,855.64, 137,784.20 and 25,299.44 is: 37,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,855.64 : 137,784.20 = 25,299.44 : x
  2. Step 2: Convert to fraction form
    91,855.64/137,784.20 = 25,299.44/x
  3. Step 3: Cross multiply
    91,855.64x = 137,784.20 × 25,299.44
  4. Step 4: Simplify right side
    91,855.64x = 3,485,863,100.85
  5. Step 5: Solve for x
    x = 3,485,863,100.85/91,855.64
  6. Step 6: Final answer
    x = 37,949.36

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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.