Finding the Fourth Proportional to 98,527.37, 135,974.68 and 54,922.68
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Solution
The fourth proportional to 98,527.37, 135,974.68 and 54,922.68 is: 75,797.15
Step by Step Solution
- Step 1: Write the proportion equation
98,527.37 : 135,974.68 = 54,922.68 : x - Step 2: Convert to fraction form
98,527.37/135,974.68 = 54,922.68/x - Step 3: Cross multiply
98,527.37x = 135,974.68 × 54,922.68 - Step 4: Simplify right side
98,527.37x = 7,468,093,700.44 - Step 5: Solve for x
x = 7,468,093,700.44/98,527.37 - Step 6: Final answer
x = 75,797.15
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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.