Home / 66,513.92-99,684.68-27,025.20

Finding the Fourth Proportional to 66,513.92, 99,684.68 and 27,025.20

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Solution

The fourth proportional to 66,513.92, 99,684.68 and 27,025.20 is: 40,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.92 : 99,684.68 = 27,025.20 : x
  2. Step 2: Convert to fraction form
    66,513.92/99,684.68 = 27,025.20/x
  3. Step 3: Cross multiply
    66,513.92x = 99,684.68 × 27,025.20
  4. Step 4: Simplify right side
    66,513.92x = 2,693,998,413.94
  5. Step 5: Solve for x
    x = 2,693,998,413.94/66,513.92
  6. Step 6: Final answer
    x = 40,502.78

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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.