Home / 67,208.10-100,848.60-27,769.20

Finding the Fourth Proportional to 67,208.10, 100,848.60 and 27,769.20

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Solution

The fourth proportional to 67,208.10, 100,848.60 and 27,769.20 is: 41,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,208.10 : 100,848.60 = 27,769.20 : x
  2. Step 2: Convert to fraction form
    67,208.10/100,848.60 = 27,769.20/x
  3. Step 3: Cross multiply
    67,208.10x = 100,848.60 × 27,769.20
  4. Step 4: Simplify right side
    67,208.10x = 2,800,484,943.12
  5. Step 5: Solve for x
    x = 2,800,484,943.12/67,208.10
  6. Step 6: Final answer
    x = 41,668.86

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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.