Home / 90,453.26-135,577.82-43,651.46

Finding the Fourth Proportional to 90,453.26, 135,577.82 and 43,651.46

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Solution

The fourth proportional to 90,453.26, 135,577.82 and 43,651.46 is: 65,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453.26 : 135,577.82 = 43,651.46 : x
  2. Step 2: Convert to fraction form
    90,453.26/135,577.82 = 43,651.46/x
  3. Step 3: Cross multiply
    90,453.26x = 135,577.82 × 43,651.46
  4. Step 4: Simplify right side
    90,453.26x = 5,918,169,786.62
  5. Step 5: Solve for x
    x = 5,918,169,786.62/90,453.26
  6. Step 6: Final answer
    x = 65,427.93

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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.