Home / 89,517.75-123,537.60-49,234.56

Finding the Fourth Proportional to 89,517.75, 123,537.60 and 49,234.56

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Solution

The fourth proportional to 89,517.75, 123,537.60 and 49,234.56 is: 67,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.75 : 123,537.60 = 49,234.56 : x
  2. Step 2: Convert to fraction form
    89,517.75/123,537.60 = 49,234.56/x
  3. Step 3: Cross multiply
    89,517.75x = 123,537.60 × 49,234.56
  4. Step 4: Simplify right side
    89,517.75x = 6,082,319,379.46
  5. Step 5: Solve for x
    x = 6,082,319,379.46/89,517.75
  6. Step 6: Final answer
    x = 67,945.40

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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.