Home / 80,292.48-120,416.64-33,537.60

Finding the Fourth Proportional to 80,292.48, 120,416.64 and 33,537.60

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Solution

The fourth proportional to 80,292.48, 120,416.64 and 33,537.60 is: 50,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292.48 : 120,416.64 = 33,537.60 : x
  2. Step 2: Convert to fraction form
    80,292.48/120,416.64 = 33,537.60/x
  3. Step 3: Cross multiply
    80,292.48x = 120,416.64 × 33,537.60
  4. Step 4: Simplify right side
    80,292.48x = 4,038,485,105.66
  5. Step 5: Solve for x
    x = 4,038,485,105.66/80,292.48
  6. Step 6: Final answer
    x = 50,297.18

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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.