Home / 89,516.10-123,529.74-49,229.86

Finding the Fourth Proportional to 89,516.10, 123,529.74 and 49,229.86

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Solution

The fourth proportional to 89,516.10, 123,529.74 and 49,229.86 is: 67,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.10 : 123,529.74 = 49,229.86 : x
  2. Step 2: Convert to fraction form
    89,516.10/123,529.74 = 49,229.86/x
  3. Step 3: Cross multiply
    89,516.10x = 123,529.74 × 49,229.86
  4. Step 4: Simplify right side
    89,516.10x = 6,081,351,806.04
  5. Step 5: Solve for x
    x = 6,081,351,806.04/89,516.10
  6. Step 6: Final answer
    x = 67,935.84

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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.