Home / 107,891.27-162,104.60-69,964.67

Finding the Fourth Proportional to 107,891.27, 162,104.60 and 69,964.67

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Solution

The fourth proportional to 107,891.27, 162,104.60 and 69,964.67 is: 105,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891.27 : 162,104.60 = 69,964.67 : x
  2. Step 2: Convert to fraction form
    107,891.27/162,104.60 = 69,964.67/x
  3. Step 3: Cross multiply
    107,891.27x = 162,104.60 × 69,964.67
  4. Step 4: Simplify right side
    107,891.27x = 11,341,594,844.48
  5. Step 5: Solve for x
    x = 11,341,594,844.48/107,891.27
  6. Step 6: Final answer
    x = 105,120.60

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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.