Finding the Fourth Proportional to 80,418.75, 110,977.97 and 46,891.23
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Solution
The fourth proportional to 80,418.75, 110,977.97 and 46,891.23 is: 64,709.95
Step by Step Solution
- Step 1: Write the proportion equation
80,418.75 : 110,977.97 = 46,891.23 : x - Step 2: Convert to fraction form
80,418.75/110,977.97 = 46,891.23/x - Step 3: Cross multiply
80,418.75x = 110,977.97 × 46,891.23 - Step 4: Simplify right side
80,418.75x = 5,203,893,281.75 - Step 5: Solve for x
x = 5,203,893,281.75/80,418.75 - Step 6: Final answer
x = 64,709.95
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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.