Finding the Fourth Proportional to 75,181.08, 103,753.26 and 41,644.92
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Solution
The fourth proportional to 75,181.08, 103,753.26 and 41,644.92 is: 57,471.86
Step by Step Solution
- Step 1: Write the proportion equation
75,181.08 : 103,753.26 = 41,644.92 : x - Step 2: Convert to fraction form
75,181.08/103,753.26 = 41,644.92/x - Step 3: Cross multiply
75,181.08x = 103,753.26 × 41,644.92 - Step 4: Simplify right side
75,181.08x = 4,320,796,212.44 - Step 5: Solve for x
x = 4,320,796,212.44/75,181.08 - Step 6: Final answer
x = 57,471.86
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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.