Home / 107,078.30-160,556.70-40,520.60

Finding the Fourth Proportional to 107,078.30, 160,556.70 and 40,520.60

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Solution

The fourth proportional to 107,078.30, 160,556.70 and 40,520.60 is: 60,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.30 : 160,556.70 = 40,520.60 : x
  2. Step 2: Convert to fraction form
    107,078.30/160,556.70 = 40,520.60/x
  3. Step 3: Cross multiply
    107,078.30x = 160,556.70 × 40,520.60
  4. Step 4: Simplify right side
    107,078.30x = 6,505,853,818.02
  5. Step 5: Solve for x
    x = 6,505,853,818.02/107,078.30
  6. Step 6: Final answer
    x = 60,757.91

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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.