Finding the Fourth Proportional to 88,736.41, 122,455.32 and 48,450.05
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Solution
The fourth proportional to 88,736.41, 122,455.32 and 48,450.05 is: 66,860.56
Step by Step Solution
- Step 1: Write the proportion equation
88,736.41 : 122,455.32 = 48,450.05 : x - Step 2: Convert to fraction form
88,736.41/122,455.32 = 48,450.05/x - Step 3: Cross multiply
88,736.41x = 122,455.32 × 48,450.05 - Step 4: Simplify right side
88,736.41x = 5,932,966,376.77 - Step 5: Solve for x
x = 5,932,966,376.77/88,736.41 - Step 6: Final answer
x = 66,860.56
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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.