Home / 89,745.45-123,846.85-49,458.17

Finding the Fourth Proportional to 89,745.45, 123,846.85 and 49,458.17

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Solution

The fourth proportional to 89,745.45, 123,846.85 and 49,458.17 is: 68,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.45 : 123,846.85 = 49,458.17 : x
  2. Step 2: Convert to fraction form
    89,745.45/123,846.85 = 49,458.17/x
  3. Step 3: Cross multiply
    89,745.45x = 123,846.85 × 49,458.17
  4. Step 4: Simplify right side
    89,745.45x = 6,125,238,932.70
  5. Step 5: Solve for x
    x = 6,125,238,932.70/89,745.45
  6. Step 6: Final answer
    x = 68,251.25

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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.