Home / 89,906.11-134,865.79-25,861.66

Finding the Fourth Proportional to 89,906.11, 134,865.79 and 25,861.66

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Solution

The fourth proportional to 89,906.11, 134,865.79 and 25,861.66 is: 38,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,906.11 : 134,865.79 = 25,861.66 : x
  2. Step 2: Convert to fraction form
    89,906.11/134,865.79 = 25,861.66/x
  3. Step 3: Cross multiply
    89,906.11x = 134,865.79 × 25,861.66
  4. Step 4: Simplify right side
    89,906.11x = 3,487,852,804.79
  5. Step 5: Solve for x
    x = 3,487,852,804.79/89,906.11
  6. Step 6: Final answer
    x = 38,794.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.