Finding the Fourth Proportional to 88,413.75, 122,010.98 and 48,669.75
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Solution
The fourth proportional to 88,413.75, 122,010.98 and 48,669.75 is: 67,164.26
Step by Step Solution
- Step 1: Write the proportion equation
88,413.75 : 122,010.98 = 48,669.75 : x - Step 2: Convert to fraction form
88,413.75/122,010.98 = 48,669.75/x - Step 3: Cross multiply
88,413.75x = 122,010.98 × 48,669.75 - Step 4: Simplify right side
88,413.75x = 5,938,243,650.51 - Step 5: Solve for x
x = 5,938,243,650.51/88,413.75 - Step 6: Final answer
x = 67,164.26
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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.