Home / 90,477.51-135,761.54-40,593.26

Finding the Fourth Proportional to 90,477.51, 135,761.54 and 40,593.26

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Solution

The fourth proportional to 90,477.51, 135,761.54 and 40,593.26 is: 60,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,477.51 : 135,761.54 = 40,593.26 : x
  2. Step 2: Convert to fraction form
    90,477.51/135,761.54 = 40,593.26/x
  3. Step 3: Cross multiply
    90,477.51x = 135,761.54 × 40,593.26
  4. Step 4: Simplify right side
    90,477.51x = 5,511,002,609.45
  5. Step 5: Solve for x
    x = 5,511,002,609.45/90,477.51
  6. Step 6: Final answer
    x = 60,910.19

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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.