Home / 89,745.14-123,847.71-49,458.95

Finding the Fourth Proportional to 89,745.14, 123,847.71 and 49,458.95

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Solution

The fourth proportional to 89,745.14, 123,847.71 and 49,458.95 is: 68,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.14 : 123,847.71 = 49,458.95 : x
  2. Step 2: Convert to fraction form
    89,745.14/123,847.71 = 49,458.95/x
  3. Step 3: Cross multiply
    89,745.14x = 123,847.71 × 49,458.95
  4. Step 4: Simplify right side
    89,745.14x = 6,125,377,696.50
  5. Step 5: Solve for x
    x = 6,125,377,696.50/89,745.14
  6. Step 6: Final answer
    x = 68,253.03

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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.