Home / 68,355.96-102,533.33-21,608.85

Finding the Fourth Proportional to 68,355.96, 102,533.33 and 21,608.85

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Solution

The fourth proportional to 68,355.96, 102,533.33 and 21,608.85 is: 32,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.96 : 102,533.33 = 21,608.85 : x
  2. Step 2: Convert to fraction form
    68,355.96/102,533.33 = 21,608.85/x
  3. Step 3: Cross multiply
    68,355.96x = 102,533.33 × 21,608.85
  4. Step 4: Simplify right side
    68,355.96x = 2,215,627,239.93
  5. Step 5: Solve for x
    x = 2,215,627,239.93/68,355.96
  6. Step 6: Final answer
    x = 32,413.08

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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.