Home / 89,685.78-134,481.94-33,479.66

Finding the Fourth Proportional to 89,685.78, 134,481.94 and 33,479.66

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Solution

The fourth proportional to 89,685.78, 134,481.94 and 33,479.66 is: 50,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,685.78 : 134,481.94 = 33,479.66 : x
  2. Step 2: Convert to fraction form
    89,685.78/134,481.94 = 33,479.66/x
  3. Step 3: Cross multiply
    89,685.78x = 134,481.94 × 33,479.66
  4. Step 4: Simplify right side
    89,685.78x = 4,502,409,627.34
  5. Step 5: Solve for x
    x = 4,502,409,627.34/89,685.78
  6. Step 6: Final answer
    x = 50,202.05

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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.