Finding the Fourth Proportional to 87,527.82, 131,206.74 and 69,715.02
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Solution
The fourth proportional to 87,527.82, 131,206.74 and 69,715.02 is: 104,504.84
Step by Step Solution
- Step 1: Write the proportion equation
87,527.82 : 131,206.74 = 69,715.02 : x - Step 2: Convert to fraction form
87,527.82/131,206.74 = 69,715.02/x - Step 3: Cross multiply
87,527.82x = 131,206.74 × 69,715.02 - Step 4: Simplify right side
87,527.82x = 9,147,080,503.23 - Step 5: Solve for x
x = 9,147,080,503.23/87,527.82 - Step 6: Final answer
x = 104,504.84
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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.