Finding the Fourth Proportional to 71,413.97, 107,135.96 and 27,039.74
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Solution
The fourth proportional to 71,413.97, 107,135.96 and 27,039.74 is: 40,565.28
Step by Step Solution
- Step 1: Write the proportion equation
71,413.97 : 107,135.96 = 27,039.74 : x - Step 2: Convert to fraction form
71,413.97/107,135.96 = 27,039.74/x - Step 3: Cross multiply
71,413.97x = 107,135.96 × 27,039.74 - Step 4: Simplify right side
71,413.97x = 2,896,927,832.17 - Step 5: Solve for x
x = 2,896,927,832.17/71,413.97 - Step 6: Final answer
x = 40,565.28
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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.