Home / 89,590.11-123,592.82-53,717.78

Finding the Fourth Proportional to 89,590.11, 123,592.82 and 53,717.78

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Solution

The fourth proportional to 89,590.11, 123,592.82 and 53,717.78 is: 74,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.11 : 123,592.82 = 53,717.78 : x
  2. Step 2: Convert to fraction form
    89,590.11/123,592.82 = 53,717.78/x
  3. Step 3: Cross multiply
    89,590.11x = 123,592.82 × 53,717.78
  4. Step 4: Simplify right side
    89,590.11x = 6,639,131,027.79
  5. Step 5: Solve for x
    x = 6,639,131,027.79/89,590.11
  6. Step 6: Final answer
    x = 74,105.62

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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.