Finding the Fourth Proportional to 88,463.09, 122,074.85 and 48,176.62
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Solution
The fourth proportional to 88,463.09, 122,074.85 and 48,176.62 is: 66,481.45
Step by Step Solution
- Step 1: Write the proportion equation
88,463.09 : 122,074.85 = 48,176.62 : x - Step 2: Convert to fraction form
88,463.09/122,074.85 = 48,176.62/x - Step 3: Cross multiply
88,463.09x = 122,074.85 × 48,176.62 - Step 4: Simplify right side
88,463.09x = 5,881,153,890.94 - Step 5: Solve for x
x = 5,881,153,890.94/88,463.09 - Step 6: Final answer
x = 66,481.45
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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.