Home / 89,675.38-123,747.24-51,432.94

Finding the Fourth Proportional to 89,675.38, 123,747.24 and 51,432.94

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Solution

The fourth proportional to 89,675.38, 123,747.24 and 51,432.94 is: 70,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.38 : 123,747.24 = 51,432.94 : x
  2. Step 2: Convert to fraction form
    89,675.38/123,747.24 = 51,432.94/x
  3. Step 3: Cross multiply
    89,675.38x = 123,747.24 × 51,432.94
  4. Step 4: Simplify right side
    89,675.38x = 6,364,684,370.09
  5. Step 5: Solve for x
    x = 6,364,684,370.09/89,675.38
  6. Step 6: Final answer
    x = 70,974.71

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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.