Home / 68,237.15-102,413.23-28,822.55

Finding the Fourth Proportional to 68,237.15, 102,413.23 and 28,822.55

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Solution

The fourth proportional to 68,237.15, 102,413.23 and 28,822.55 is: 43,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,237.15 : 102,413.23 = 28,822.55 : x
  2. Step 2: Convert to fraction form
    68,237.15/102,413.23 = 28,822.55/x
  3. Step 3: Cross multiply
    68,237.15x = 102,413.23 × 28,822.55
  4. Step 4: Simplify right side
    68,237.15x = 2,951,809,858.21
  5. Step 5: Solve for x
    x = 2,951,809,858.21/68,237.15
  6. Step 6: Final answer
    x = 43,258.11

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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.