Home / 80,583.39-120,875.09-27,992.93

Finding the Fourth Proportional to 80,583.39, 120,875.09 and 27,992.93

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Solution

The fourth proportional to 80,583.39, 120,875.09 and 27,992.93 is: 41,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,583.39 : 120,875.09 = 27,992.93 : x
  2. Step 2: Convert to fraction form
    80,583.39/120,875.09 = 27,992.93/x
  3. Step 3: Cross multiply
    80,583.39x = 120,875.09 × 27,992.93
  4. Step 4: Simplify right side
    80,583.39x = 3,383,647,188.77
  5. Step 5: Solve for x
    x = 3,383,647,188.77/80,583.39
  6. Step 6: Final answer
    x = 41,989.39

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Double scale
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Similar ratio
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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.