Finding the Fourth Proportional to 80,413.56, 110,971.62 and 44,604.68
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Solution
The fourth proportional to 80,413.56, 110,971.62 and 44,604.68 is: 61,554.95
Step by Step Solution
- Step 1: Write the proportion equation
80,413.56 : 110,971.62 = 44,604.68 : x - Step 2: Convert to fraction form
80,413.56/110,971.62 = 44,604.68/x - Step 3: Cross multiply
80,413.56x = 110,971.62 × 44,604.68 - Step 4: Simplify right side
80,413.56x = 4,949,853,044.32 - Step 5: Solve for x
x = 4,949,853,044.32/80,413.56 - Step 6: Final answer
x = 61,554.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.