Home / 89,516.15-123,529.81-49,229.90

Finding the Fourth Proportional to 89,516.15, 123,529.81 and 49,229.90

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Solution

The fourth proportional to 89,516.15, 123,529.81 and 49,229.90 is: 67,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.15 : 123,529.81 = 49,229.90 : x
  2. Step 2: Convert to fraction form
    89,516.15/123,529.81 = 49,229.90/x
  3. Step 3: Cross multiply
    89,516.15x = 123,529.81 × 49,229.90
  4. Step 4: Simplify right side
    89,516.15x = 6,081,359,947.17
  5. Step 5: Solve for x
    x = 6,081,359,947.17/89,516.15
  6. Step 6: Final answer
    x = 67,935.90

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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.