Home / 92,282.45-138,435.22-36,115.30

Finding the Fourth Proportional to 92,282.45, 138,435.22 and 36,115.30

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Solution

The fourth proportional to 92,282.45, 138,435.22 and 36,115.30 is: 54,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,282.45 : 138,435.22 = 36,115.30 : x
  2. Step 2: Convert to fraction form
    92,282.45/138,435.22 = 36,115.30/x
  3. Step 3: Cross multiply
    92,282.45x = 138,435.22 × 36,115.30
  4. Step 4: Simplify right side
    92,282.45x = 4,999,629,500.87
  5. Step 5: Solve for x
    x = 4,999,629,500.87/92,282.45
  6. Step 6: Final answer
    x = 54,177.47

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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.