Finding the Fourth Proportional to 76,735.20, 115,118.49 and 32,361.99
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Solution
The fourth proportional to 76,735.20, 115,118.49 and 32,361.99 is: 48,549.60
Step by Step Solution
- Step 1: Write the proportion equation
76,735.20 : 115,118.49 = 32,361.99 : x - Step 2: Convert to fraction form
76,735.20/115,118.49 = 32,361.99/x - Step 3: Cross multiply
76,735.20x = 115,118.49 × 32,361.99 - Step 4: Simplify right side
76,735.20x = 3,725,463,422.20 - Step 5: Solve for x
x = 3,725,463,422.20/76,735.20 - Step 6: Final answer
x = 48,549.60
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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.