Home / 89,815.16-123,946.26-49,529

Finding the Fourth Proportional to 89,815.16, 123,946.26 and 49,529

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Solution

The fourth proportional to 89,815.16, 123,946.26 and 49,529 is: 68,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.16 : 123,946.26 = 49,529 : x
  2. Step 2: Convert to fraction form
    89,815.16/123,946.26 = 49,529/x
  3. Step 3: Cross multiply
    89,815.16x = 123,946.26 × 49,529
  4. Step 4: Simplify right side
    89,815.16x = 6,138,934,311.54
  5. Step 5: Solve for x
    x = 6,138,934,311.54/89,815.16
  6. Step 6: Final answer
    x = 68,350.76

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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.