Finding the Fourth Proportional to 86,240.16, 119,010.60 and 48,514.68
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Solution
The fourth proportional to 86,240.16, 119,010.60 and 48,514.68 is: 66,949.80
Step by Step Solution
- Step 1: Write the proportion equation
86,240.16 : 119,010.60 = 48,514.68 : x - Step 2: Convert to fraction form
86,240.16/119,010.60 = 48,514.68/x - Step 3: Cross multiply
86,240.16x = 119,010.60 × 48,514.68 - Step 4: Simplify right side
86,240.16x = 5,773,761,175.61 - Step 5: Solve for x
x = 5,773,761,175.61/86,240.16 - Step 6: Final answer
x = 66,949.80
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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.