Home / 90,496.32-135,764.70-27,317.52

Finding the Fourth Proportional to 90,496.32, 135,764.70 and 27,317.52

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Solution

The fourth proportional to 90,496.32, 135,764.70 and 27,317.52 is: 40,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,496.32 : 135,764.70 = 27,317.52 : x
  2. Step 2: Convert to fraction form
    90,496.32/135,764.70 = 27,317.52/x
  3. Step 3: Cross multiply
    90,496.32x = 135,764.70 × 27,317.52
  4. Step 4: Simplify right side
    90,496.32x = 3,708,754,907.54
  5. Step 5: Solve for x
    x = 3,708,754,907.54/90,496.32
  6. Step 6: Final answer
    x = 40,982.38

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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.