Finding the Fourth Proportional to 86,245.92, 119,018.88 and 48,520.48
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Solution
The fourth proportional to 86,245.92, 119,018.88 and 48,520.48 is: 66,957.99
Step by Step Solution
- Step 1: Write the proportion equation
86,245.92 : 119,018.88 = 48,520.48 : x - Step 2: Convert to fraction form
86,245.92/119,018.88 = 48,520.48/x - Step 3: Cross multiply
86,245.92x = 119,018.88 × 48,520.48 - Step 4: Simplify right side
86,245.92x = 5,774,853,186.66 - Step 5: Solve for x
x = 5,774,853,186.66/86,245.92 - Step 6: Final answer
x = 66,957.99
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1.5x scale
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.