Home / 80,558.01-120,833.37-27,971.60

Finding the Fourth Proportional to 80,558.01, 120,833.37 and 27,971.60

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Solution

The fourth proportional to 80,558.01, 120,833.37 and 27,971.60 is: 41,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558.01 : 120,833.37 = 27,971.60 : x
  2. Step 2: Convert to fraction form
    80,558.01/120,833.37 = 27,971.60/x
  3. Step 3: Cross multiply
    80,558.01x = 120,833.37 × 27,971.60
  4. Step 4: Simplify right side
    80,558.01x = 3,379,902,088.13
  5. Step 5: Solve for x
    x = 3,379,902,088.13/80,558.01
  6. Step 6: Final answer
    x = 41,956.13

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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.