Home / 90,286.45-135,355.76-34,094.66

Finding the Fourth Proportional to 90,286.45, 135,355.76 and 34,094.66

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Solution

The fourth proportional to 90,286.45, 135,355.76 and 34,094.66 is: 51,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,286.45 : 135,355.76 = 34,094.66 : x
  2. Step 2: Convert to fraction form
    90,286.45/135,355.76 = 34,094.66/x
  3. Step 3: Cross multiply
    90,286.45x = 135,355.76 × 34,094.66
  4. Step 4: Simplify right side
    90,286.45x = 4,614,907,896.84
  5. Step 5: Solve for x
    x = 4,614,907,896.84/90,286.45
  6. Step 6: Final answer
    x = 51,114.07

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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.