Finding the Fourth Proportional to 106,420.97, 159,612.30 and 27,530.42
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Solution
The fourth proportional to 106,420.97, 159,612.30 and 27,530.42 is: 41,290.67
Step by Step Solution
- Step 1: Write the proportion equation
106,420.97 : 159,612.30 = 27,530.42 : x - Step 2: Convert to fraction form
106,420.97/159,612.30 = 27,530.42/x - Step 3: Cross multiply
106,420.97x = 159,612.30 × 27,530.42 - Step 4: Simplify right side
106,420.97x = 4,394,192,858.10 - Step 5: Solve for x
x = 4,394,192,858.10/106,420.97 - Step 6: Final answer
x = 41,290.67
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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.