Home / 67,201.09-100,789.08-27,209.50

Finding the Fourth Proportional to 67,201.09, 100,789.08 and 27,209.50

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Solution

The fourth proportional to 67,201.09, 100,789.08 and 27,209.50 is: 40,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,201.09 : 100,789.08 = 27,209.50 : x
  2. Step 2: Convert to fraction form
    67,201.09/100,789.08 = 27,209.50/x
  3. Step 3: Cross multiply
    67,201.09x = 100,789.08 × 27,209.50
  4. Step 4: Simplify right side
    67,201.09x = 2,742,420,914.77
  5. Step 5: Solve for x
    x = 2,742,420,914.77/67,201.09
  6. Step 6: Final answer
    x = 40,809.17

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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.