Finding the Fourth Proportional to 73,182.26, 100,991.94 and 39,648.26
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Solution
The fourth proportional to 73,182.26, 100,991.94 and 39,648.26 is: 54,714.83
Step by Step Solution
- Step 1: Write the proportion equation
73,182.26 : 100,991.94 = 39,648.26 : x - Step 2: Convert to fraction form
73,182.26/100,991.94 = 39,648.26/x - Step 3: Cross multiply
73,182.26x = 100,991.94 × 39,648.26 - Step 4: Simplify right side
73,182.26x = 4,004,154,695.02 - Step 5: Solve for x
x = 4,004,154,695.02/73,182.26 - Step 6: Final answer
x = 54,714.83
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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.