Finding the Fourth Proportional to 86,625.20, 119,530.68 and 48,383.12
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Solution
The fourth proportional to 86,625.20, 119,530.68 and 48,383.12 is: 66,761.95
Step by Step Solution
- Step 1: Write the proportion equation
86,625.20 : 119,530.68 = 48,383.12 : x - Step 2: Convert to fraction form
86,625.20/119,530.68 = 48,383.12/x - Step 3: Cross multiply
86,625.20x = 119,530.68 × 48,383.12 - Step 4: Simplify right side
86,625.20x = 5,783,267,234.12 - Step 5: Solve for x
x = 5,783,267,234.12/86,625.20 - Step 6: Final answer
x = 66,761.95
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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.