Home / 91,362.11-137,057.94-28,167.44

Finding the Fourth Proportional to 91,362.11, 137,057.94 and 28,167.44

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Solution

The fourth proportional to 91,362.11, 137,057.94 and 28,167.44 is: 42,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,362.11 : 137,057.94 = 28,167.44 : x
  2. Step 2: Convert to fraction form
    91,362.11/137,057.94 = 28,167.44/x
  3. Step 3: Cross multiply
    91,362.11x = 137,057.94 × 28,167.44
  4. Step 4: Simplify right side
    91,362.11x = 3,860,571,644.12
  5. Step 5: Solve for x
    x = 3,860,571,644.12/91,362.11
  6. Step 6: Final answer
    x = 42,255.72

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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.