Finding the Fourth Proportional to 66,745.24, 100,062.97 and 31,188.97
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Solution
The fourth proportional to 66,745.24, 100,062.97 and 31,188.97 is: 46,757.81
Step by Step Solution
- Step 1: Write the proportion equation
66,745.24 : 100,062.97 = 31,188.97 : x - Step 2: Convert to fraction form
66,745.24/100,062.97 = 31,188.97/x - Step 3: Cross multiply
66,745.24x = 100,062.97 × 31,188.97 - Step 4: Simplify right side
66,745.24x = 3,120,860,969.44 - Step 5: Solve for x
x = 3,120,860,969.44/66,745.24 - Step 6: Final answer
x = 46,757.81
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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.