Home / 89,502.18-123,516.09-49,217.46

Finding the Fourth Proportional to 89,502.18, 123,516.09 and 49,217.46

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Solution

The fourth proportional to 89,502.18, 123,516.09 and 49,217.46 is: 67,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,502.18 : 123,516.09 = 49,217.46 : x
  2. Step 2: Convert to fraction form
    89,502.18/123,516.09 = 49,217.46/x
  3. Step 3: Cross multiply
    89,502.18x = 123,516.09 × 49,217.46
  4. Step 4: Simplify right side
    89,502.18x = 6,079,148,218.93
  5. Step 5: Solve for x
    x = 6,079,148,218.93/89,502.18
  6. Step 6: Final answer
    x = 67,921.79

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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.