Finding the Fourth Proportional to 75,662.58, 104,413.38 and 41,670.42
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Solution
The fourth proportional to 75,662.58, 104,413.38 and 41,670.42 is: 57,504.64
Step by Step Solution
- Step 1: Write the proportion equation
75,662.58 : 104,413.38 = 41,670.42 : x - Step 2: Convert to fraction form
75,662.58/104,413.38 = 41,670.42/x - Step 3: Cross multiply
75,662.58x = 104,413.38 × 41,670.42 - Step 4: Simplify right side
75,662.58x = 4,350,949,398.22 - Step 5: Solve for x
x = 4,350,949,398.22/75,662.58 - Step 6: Final answer
x = 57,504.64
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1.5x scale
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.