Finding the Fourth Proportional to 83,608.44, 125,453.67 and 39,238.80
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Solution
The fourth proportional to 83,608.44, 125,453.67 and 39,238.80 is: 58,877.45
Step by Step Solution
- Step 1: Write the proportion equation
83,608.44 : 125,453.67 = 39,238.80 : x - Step 2: Convert to fraction form
83,608.44/125,453.67 = 39,238.80/x - Step 3: Cross multiply
83,608.44x = 125,453.67 × 39,238.80 - Step 4: Simplify right side
83,608.44x = 4,922,651,466.40 - Step 5: Solve for x
x = 4,922,651,466.40/83,608.44 - Step 6: Final answer
x = 58,877.45
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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.