Home / 90,546.06-135,845.01-43,825.26

Finding the Fourth Proportional to 90,546.06, 135,845.01 and 43,825.26

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Solution

The fourth proportional to 90,546.06, 135,845.01 and 43,825.26 is: 65,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.06 : 135,845.01 = 43,825.26 : x
  2. Step 2: Convert to fraction form
    90,546.06/135,845.01 = 43,825.26/x
  3. Step 3: Cross multiply
    90,546.06x = 135,845.01 × 43,825.26
  4. Step 4: Simplify right side
    90,546.06x = 5,953,442,882.95
  5. Step 5: Solve for x
    x = 5,953,442,882.95/90,546.06
  6. Step 6: Final answer
    x = 65,750.44

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1.5x scale

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.