Finding the Fourth Proportional to 87,614.08, 131,409.60 and 25,290.88
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Solution
The fourth proportional to 87,614.08, 131,409.60 and 25,290.88 is: 37,932.99
Step by Step Solution
- Step 1: Write the proportion equation
87,614.08 : 131,409.60 = 25,290.88 : x - Step 2: Convert to fraction form
87,614.08/131,409.60 = 25,290.88/x - Step 3: Cross multiply
87,614.08x = 131,409.60 × 25,290.88 - Step 4: Simplify right side
87,614.08x = 3,323,464,424.45 - Step 5: Solve for x
x = 3,323,464,424.45/87,614.08 - Step 6: Final answer
x = 37,932.99
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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.