Finding the Fourth Proportional to 83,738.41, 125,615.54 and 27,578.68
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Solution
The fourth proportional to 83,738.41, 125,615.54 and 27,578.68 is: 41,370.63
Step by Step Solution
- Step 1: Write the proportion equation
83,738.41 : 125,615.54 = 27,578.68 : x - Step 2: Convert to fraction form
83,738.41/125,615.54 = 27,578.68/x - Step 3: Cross multiply
83,738.41x = 125,615.54 × 27,578.68 - Step 4: Simplify right side
83,738.41x = 3,464,310,535.60 - Step 5: Solve for x
x = 3,464,310,535.60/83,738.41 - Step 6: Final answer
x = 41,370.63
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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.