Home / 91,850.16-137,778.64-25,295.44

Finding the Fourth Proportional to 91,850.16, 137,778.64 and 25,295.44

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Solution

The fourth proportional to 91,850.16, 137,778.64 and 25,295.44 is: 37,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.16 : 137,778.64 = 25,295.44 : x
  2. Step 2: Convert to fraction form
    91,850.16/137,778.64 = 25,295.44/x
  3. Step 3: Cross multiply
    91,850.16x = 137,778.64 × 25,295.44
  4. Step 4: Simplify right side
    91,850.16x = 3,485,171,321.40
  5. Step 5: Solve for x
    x = 3,485,171,321.40/91,850.16
  6. Step 6: Final answer
    x = 37,944.10

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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.