Finding the Fourth Proportional to 80,226.64, 110,712.18 and 48,413.08
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Solution
The fourth proportional to 80,226.64, 110,712.18 and 48,413.08 is: 66,809.70
Step by Step Solution
- Step 1: Write the proportion equation
80,226.64 : 110,712.18 = 48,413.08 : x - Step 2: Convert to fraction form
80,226.64/110,712.18 = 48,413.08/x - Step 3: Cross multiply
80,226.64x = 110,712.18 × 48,413.08 - Step 4: Simplify right side
80,226.64x = 5,359,917,627.31 - Step 5: Solve for x
x = 5,359,917,627.31/80,226.64 - Step 6: Final answer
x = 66,809.70
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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.