Finding the Fourth Proportional to 88,661.12, 122,351.74 and 48,374.96
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Solution
The fourth proportional to 88,661.12, 122,351.74 and 48,374.96 is: 66,757.11
Step by Step Solution
- Step 1: Write the proportion equation
88,661.12 : 122,351.74 = 48,374.96 : x - Step 2: Convert to fraction form
88,661.12/122,351.74 = 48,374.96/x - Step 3: Cross multiply
88,661.12x = 122,351.74 × 48,374.96 - Step 4: Simplify right side
88,661.12x = 5,918,760,528.43 - Step 5: Solve for x
x = 5,918,760,528.43/88,661.12 - Step 6: Final answer
x = 66,757.11
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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.