Finding the Fourth Proportional to 75,403.06, 104,056.31 and 41,413.75
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Solution
The fourth proportional to 75,403.06, 104,056.31 and 41,413.75 is: 57,151.02
Step by Step Solution
- Step 1: Write the proportion equation
75,403.06 : 104,056.31 = 41,413.75 : x - Step 2: Convert to fraction form
75,403.06/104,056.31 = 41,413.75/x - Step 3: Cross multiply
75,403.06x = 104,056.31 × 41,413.75 - Step 4: Simplify right side
75,403.06x = 4,309,361,851.66 - Step 5: Solve for x
x = 4,309,361,851.66/75,403.06 - Step 6: Final answer
x = 57,151.02
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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.