Finding the Fourth Proportional to 86,391.08, 119,229.36 and 48,154.11
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Solution
The fourth proportional to 86,391.08, 119,229.36 and 48,154.11 is: 66,458.07
Step by Step Solution
- Step 1: Write the proportion equation
86,391.08 : 119,229.36 = 48,154.11 : x - Step 2: Convert to fraction form
86,391.08/119,229.36 = 48,154.11/x - Step 3: Cross multiply
86,391.08x = 119,229.36 × 48,154.11 - Step 4: Simplify right side
86,391.08x = 5,741,383,716.67 - Step 5: Solve for x
x = 5,741,383,716.67/86,391.08 - Step 6: Final answer
x = 66,458.07
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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.