Finding the Fourth Proportional to 88,861.13, 122,628.32 and 48,575.05
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Solution
The fourth proportional to 88,861.13, 122,628.32 and 48,575.05 is: 67,033.55
Step by Step Solution
- Step 1: Write the proportion equation
88,861.13 : 122,628.32 = 48,575.05 : x - Step 2: Convert to fraction form
88,861.13/122,628.32 = 48,575.05/x - Step 3: Cross multiply
88,861.13x = 122,628.32 × 48,575.05 - Step 4: Simplify right side
88,861.13x = 5,956,676,775.42 - Step 5: Solve for x
x = 5,956,676,775.42/88,861.13 - Step 6: Final answer
x = 67,033.55
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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.