Home / 90,992.43-136,481.90-34,837.56

Finding the Fourth Proportional to 90,992.43, 136,481.90 and 34,837.56

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Solution

The fourth proportional to 90,992.43, 136,481.90 and 34,837.56 is: 52,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.43 : 136,481.90 = 34,837.56 : x
  2. Step 2: Convert to fraction form
    90,992.43/136,481.90 = 34,837.56/x
  3. Step 3: Cross multiply
    90,992.43x = 136,481.90 × 34,837.56
  4. Step 4: Simplify right side
    90,992.43x = 4,754,696,205.98
  5. Step 5: Solve for x
    x = 4,754,696,205.98/90,992.43
  6. Step 6: Final answer
    x = 52,253.76

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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.