Home / 89,230.50-123,137.97-48,944.43

Finding the Fourth Proportional to 89,230.50, 123,137.97 and 48,944.43

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Solution

The fourth proportional to 89,230.50, 123,137.97 and 48,944.43 is: 67,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.50 : 123,137.97 = 48,944.43 : x
  2. Step 2: Convert to fraction form
    89,230.50/123,137.97 = 48,944.43/x
  3. Step 3: Cross multiply
    89,230.50x = 123,137.97 × 48,944.43
  4. Step 4: Simplify right side
    89,230.50x = 6,026,917,753.01
  5. Step 5: Solve for x
    x = 6,026,917,753.01/89,230.50
  6. Step 6: Final answer
    x = 67,543.25

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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.