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Finding the Fourth Proportional to 68,009.54, 102,022.07 and 18,091.67

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Solution

The fourth proportional to 68,009.54, 102,022.07 and 18,091.67 is: 27,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.54 : 102,022.07 = 18,091.67 : x
  2. Step 2: Convert to fraction form
    68,009.54/102,022.07 = 18,091.67/x
  3. Step 3: Cross multiply
    68,009.54x = 102,022.07 × 18,091.67
  4. Step 4: Simplify right side
    68,009.54x = 1,845,749,022.59
  5. Step 5: Solve for x
    x = 1,845,749,022.59/68,009.54
  6. Step 6: Final answer
    x = 27,139.56

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1.5x scale

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.