Finding the Fourth Proportional to 87,907.25, 131,882.75 and 25,577.75
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Solution
The fourth proportional to 87,907.25, 131,882.75 and 25,577.75 is: 38,372.99
Step by Step Solution
- Step 1: Write the proportion equation
87,907.25 : 131,882.75 = 25,577.75 : x - Step 2: Convert to fraction form
87,907.25/131,882.75 = 25,577.75/x - Step 3: Cross multiply
87,907.25x = 131,882.75 × 25,577.75 - Step 4: Simplify right side
87,907.25x = 3,373,263,880.92 - Step 5: Solve for x
x = 3,373,263,880.92/87,907.25 - Step 6: Final answer
x = 38,372.99
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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.