Home / 89,245.05-123,159.11-48,958.89

Finding the Fourth Proportional to 89,245.05, 123,159.11 and 48,958.89

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Solution

The fourth proportional to 89,245.05, 123,159.11 and 48,958.89 is: 67,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.05 : 123,159.11 = 48,958.89 : x
  2. Step 2: Convert to fraction form
    89,245.05/123,159.11 = 48,958.89/x
  3. Step 3: Cross multiply
    89,245.05x = 123,159.11 × 48,958.89
  4. Step 4: Simplify right side
    89,245.05x = 6,029,733,318.99
  5. Step 5: Solve for x
    x = 6,029,733,318.99/89,245.05
  6. Step 6: Final answer
    x = 67,563.78

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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.