Home / 89,517.42-123,534.54-49,233.78

Finding the Fourth Proportional to 89,517.42, 123,534.54 and 49,233.78

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Solution

The fourth proportional to 89,517.42, 123,534.54 and 49,233.78 is: 67,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.42 : 123,534.54 = 49,233.78 : x
  2. Step 2: Convert to fraction form
    89,517.42/123,534.54 = 49,233.78/x
  3. Step 3: Cross multiply
    89,517.42x = 123,534.54 × 49,233.78
  4. Step 4: Simplify right side
    89,517.42x = 6,082,072,364.76
  5. Step 5: Solve for x
    x = 6,082,072,364.76/89,517.42
  6. Step 6: Final answer
    x = 67,942.89

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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.