Finding the Fourth Proportional to 83,843.40, 125,738.36 and 27,673.08
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Solution
The fourth proportional to 83,843.40, 125,738.36 and 27,673.08 is: 41,500.79
Step by Step Solution
- Step 1: Write the proportion equation
83,843.40 : 125,738.36 = 27,673.08 : x - Step 2: Convert to fraction form
83,843.40/125,738.36 = 27,673.08/x - Step 3: Cross multiply
83,843.40x = 125,738.36 × 27,673.08 - Step 4: Simplify right side
83,843.40x = 3,479,567,695.35 - Step 5: Solve for x
x = 3,479,567,695.35/83,843.40 - Step 6: Final answer
x = 41,500.79
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1.5x scale
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.