Home / 89,288.92-123,236.94-51,558.04

Finding the Fourth Proportional to 89,288.92, 123,236.94 and 51,558.04

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Solution

The fourth proportional to 89,288.92, 123,236.94 and 51,558.04 is: 71,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.92 : 123,236.94 = 51,558.04 : x
  2. Step 2: Convert to fraction form
    89,288.92/123,236.94 = 51,558.04/x
  3. Step 3: Cross multiply
    89,288.92x = 123,236.94 × 51,558.04
  4. Step 4: Simplify right side
    89,288.92x = 6,353,855,082.00
  5. Step 5: Solve for x
    x = 6,353,855,082.00/89,288.92
  6. Step 6: Final answer
    x = 71,160.62

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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.