Home / 89,516.73-123,530.63-49,230.48

Finding the Fourth Proportional to 89,516.73, 123,530.63 and 49,230.48

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Solution

The fourth proportional to 89,516.73, 123,530.63 and 49,230.48 is: 67,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.73 : 123,530.63 = 49,230.48 : x
  2. Step 2: Convert to fraction form
    89,516.73/123,530.63 = 49,230.48/x
  3. Step 3: Cross multiply
    89,516.73x = 123,530.63 × 49,230.48
  4. Step 4: Simplify right side
    89,516.73x = 6,081,471,963.45
  5. Step 5: Solve for x
    x = 6,081,471,963.45/89,516.73
  6. Step 6: Final answer
    x = 67,936.71

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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.