Finding the Fourth Proportional to 86,765.09, 119,734.97 and 48,524.20
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Solution
The fourth proportional to 86,765.09, 119,734.97 and 48,524.20 is: 66,962.92
Step by Step Solution
- Step 1: Write the proportion equation
86,765.09 : 119,734.97 = 48,524.20 : x - Step 2: Convert to fraction form
86,765.09/119,734.97 = 48,524.20/x - Step 3: Cross multiply
86,765.09x = 119,734.97 × 48,524.20 - Step 4: Simplify right side
86,765.09x = 5,810,043,631.27 - Step 5: Solve for x
x = 5,810,043,631.27/86,765.09 - Step 6: Final answer
x = 66,962.92
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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.