Finding the Fourth Proportional to 90,049.10, 124,265.97 and 49,761.99
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Solution
The fourth proportional to 90,049.10, 124,265.97 and 49,761.99 is: 68,670.56
Step by Step Solution
- Step 1: Write the proportion equation
90,049.10 : 124,265.97 = 49,761.99 : x - Step 2: Convert to fraction form
90,049.10/124,265.97 = 49,761.99/x - Step 3: Cross multiply
90,049.10x = 124,265.97 × 49,761.99 - Step 4: Simplify right side
90,049.10x = 6,183,721,956.48 - Step 5: Solve for x
x = 6,183,721,956.48/90,049.10 - Step 6: Final answer
x = 68,670.56
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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.