Home / 89,227.22-123,137.10-48,942.45

Finding the Fourth Proportional to 89,227.22, 123,137.10 and 48,942.45

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Solution

The fourth proportional to 89,227.22, 123,137.10 and 48,942.45 is: 67,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227.22 : 123,137.10 = 48,942.45 : x
  2. Step 2: Convert to fraction form
    89,227.22/123,137.10 = 48,942.45/x
  3. Step 3: Cross multiply
    89,227.22x = 123,137.10 × 48,942.45
  4. Step 4: Simplify right side
    89,227.22x = 6,026,631,359.90
  5. Step 5: Solve for x
    x = 6,026,631,359.90/89,227.22
  6. Step 6: Final answer
    x = 67,542.52

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1.5x scale

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.