Finding the Fourth Proportional to 75,694.80, 104,529.49 and 47,449.70
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Solution
The fourth proportional to 75,694.80, 104,529.49 and 47,449.70 is: 65,524.88
Step by Step Solution
- Step 1: Write the proportion equation
75,694.80 : 104,529.49 = 47,449.70 : x - Step 2: Convert to fraction form
75,694.80/104,529.49 = 47,449.70/x - Step 3: Cross multiply
75,694.80x = 104,529.49 × 47,449.70 - Step 4: Simplify right side
75,694.80x = 4,959,892,692.37 - Step 5: Solve for x
x = 4,959,892,692.37/75,694.80 - Step 6: Final answer
x = 65,524.88
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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.