Finding the Fourth Proportional to 88,865.62, 122,634.26 and 48,579.40
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Solution
The fourth proportional to 88,865.62, 122,634.26 and 48,579.40 is: 67,039.41
Step by Step Solution
- Step 1: Write the proportion equation
88,865.62 : 122,634.26 = 48,579.40 : x - Step 2: Convert to fraction form
88,865.62/122,634.26 = 48,579.40/x - Step 3: Cross multiply
88,865.62x = 122,634.26 × 48,579.40 - Step 4: Simplify right side
88,865.62x = 5,957,498,770.24 - Step 5: Solve for x
x = 5,957,498,770.24/88,865.62 - Step 6: Final answer
x = 67,039.41
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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.