Finding the Fourth Proportional to 84,163.64, 126,413.58 and 52,629.80
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Solution
The fourth proportional to 84,163.64, 126,413.58 and 52,629.80 is: 79,049.83
Step by Step Solution
- Step 1: Write the proportion equation
84,163.64 : 126,413.58 = 52,629.80 : x - Step 2: Convert to fraction form
84,163.64/126,413.58 = 52,629.80/x - Step 3: Cross multiply
84,163.64x = 126,413.58 × 52,629.80 - Step 4: Simplify right side
84,163.64x = 6,653,121,432.68 - Step 5: Solve for x
x = 6,653,121,432.68/84,163.64 - Step 6: Final answer
x = 79,049.83
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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.