Home / 89,228.22-123,135.12-48,942.32

Finding the Fourth Proportional to 89,228.22, 123,135.12 and 48,942.32

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Solution

The fourth proportional to 89,228.22, 123,135.12 and 48,942.32 is: 67,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.22 : 123,135.12 = 48,942.32 : x
  2. Step 2: Convert to fraction form
    89,228.22/123,135.12 = 48,942.32/x
  3. Step 3: Cross multiply
    89,228.22x = 123,135.12 × 48,942.32
  4. Step 4: Simplify right side
    89,228.22x = 6,026,517,830.60
  5. Step 5: Solve for x
    x = 6,026,517,830.60/89,228.22
  6. Step 6: Final answer
    x = 67,540.49

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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.