Finding the Fourth Proportional to 69,413.36, 104,162.88 and 27,286.07
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Solution
The fourth proportional to 69,413.36, 104,162.88 and 27,286.07 is: 40,945.95
Step by Step Solution
- Step 1: Write the proportion equation
69,413.36 : 104,162.88 = 27,286.07 : x - Step 2: Convert to fraction form
69,413.36/104,162.88 = 27,286.07/x - Step 3: Cross multiply
69,413.36x = 104,162.88 × 27,286.07 - Step 4: Simplify right side
69,413.36x = 2,842,195,635.08 - Step 5: Solve for x
x = 2,842,195,635.08/69,413.36 - Step 6: Final answer
x = 40,945.95
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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.