Finding the Fourth Proportional to 71,569.80, 107,322.30 and 27,181.80
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Solution
The fourth proportional to 71,569.80, 107,322.30 and 27,181.80 is: 40,760.39
Step by Step Solution
- Step 1: Write the proportion equation
71,569.80 : 107,322.30 = 27,181.80 : x - Step 2: Convert to fraction form
71,569.80/107,322.30 = 27,181.80/x - Step 3: Cross multiply
71,569.80x = 107,322.30 × 27,181.80 - Step 4: Simplify right side
71,569.80x = 2,917,213,294.14 - Step 5: Solve for x
x = 2,917,213,294.14/71,569.80 - Step 6: Final answer
x = 40,760.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.