Finding the Fourth Proportional to 88,531.13, 122,171.37 and 48,245.23
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Solution
The fourth proportional to 88,531.13, 122,171.37 and 48,245.23 is: 66,577.54
Step by Step Solution
- Step 1: Write the proportion equation
88,531.13 : 122,171.37 = 48,245.23 : x - Step 2: Convert to fraction form
88,531.13/122,171.37 = 48,245.23/x - Step 3: Cross multiply
88,531.13x = 122,171.37 × 48,245.23 - Step 4: Simplify right side
88,531.13x = 5,894,185,234.21 - Step 5: Solve for x
x = 5,894,185,234.21/88,531.13 - Step 6: Final answer
x = 66,577.54
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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.