Home / 105,704.37-158,245.52-70,556.85

Finding the Fourth Proportional to 105,704.37, 158,245.52 and 70,556.85

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Solution

The fourth proportional to 105,704.37, 158,245.52 and 70,556.85 is: 105,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,704.37 : 158,245.52 = 70,556.85 : x
  2. Step 2: Convert to fraction form
    105,704.37/158,245.52 = 70,556.85/x
  3. Step 3: Cross multiply
    105,704.37x = 158,245.52 × 70,556.85
  4. Step 4: Simplify right side
    105,704.37x = 11,165,305,065.03
  5. Step 5: Solve for x
    x = 11,165,305,065.03/105,704.37
  6. Step 6: Final answer
    x = 105,627.66

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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.