Finding the Fourth Proportional to 125,692.44, 173,470.68 and 71,994.84
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Solution
The fourth proportional to 125,692.44, 173,470.68 and 71,994.84 is: 99,361.54
Step by Step Solution
- Step 1: Write the proportion equation
125,692.44 : 173,470.68 = 71,994.84 : x - Step 2: Convert to fraction form
125,692.44/173,470.68 = 71,994.84/x - Step 3: Cross multiply
125,692.44x = 173,470.68 × 71,994.84 - Step 4: Simplify right side
125,692.44x = 12,488,993,851.29 - Step 5: Solve for x
x = 12,488,993,851.29/125,692.44 - Step 6: Final answer
x = 99,361.54
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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.