Finding the Fourth Proportional to 71,825.05, 107,756.10 and 34,413.99
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Solution
The fourth proportional to 71,825.05, 107,756.10 and 34,413.99 is: 51,629.86
Step by Step Solution
- Step 1: Write the proportion equation
71,825.05 : 107,756.10 = 34,413.99 : x - Step 2: Convert to fraction form
71,825.05/107,756.10 = 34,413.99/x - Step 3: Cross multiply
71,825.05x = 107,756.10 × 34,413.99 - Step 4: Simplify right side
71,825.05x = 3,708,317,347.84 - Step 5: Solve for x
x = 3,708,317,347.84/71,825.05 - Step 6: Final answer
x = 51,629.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.