Finding the Fourth Proportional to 76,734.70, 115,117.74 and 32,361.49
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Solution
The fourth proportional to 76,734.70, 115,117.74 and 32,361.49 is: 48,548.85
Step by Step Solution
- Step 1: Write the proportion equation
76,734.70 : 115,117.74 = 32,361.49 : x - Step 2: Convert to fraction form
76,734.70/115,117.74 = 32,361.49/x - Step 3: Cross multiply
76,734.70x = 115,117.74 × 32,361.49 - Step 4: Simplify right side
76,734.70x = 3,725,381,591.83 - Step 5: Solve for x
x = 3,725,381,591.83/76,734.70 - Step 6: Final answer
x = 48,548.85
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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.