Finding the Fourth Proportional to 86,524.44, 129,785.88 and 27,360.18
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Solution
The fourth proportional to 86,524.44, 129,785.88 and 27,360.18 is: 41,040.02
Step by Step Solution
- Step 1: Write the proportion equation
86,524.44 : 129,785.88 = 27,360.18 : x - Step 2: Convert to fraction form
86,524.44/129,785.88 = 27,360.18/x - Step 3: Cross multiply
86,524.44x = 129,785.88 × 27,360.18 - Step 4: Simplify right side
86,524.44x = 3,550,965,038.26 - Step 5: Solve for x
x = 3,550,965,038.26/86,524.44 - Step 6: Final answer
x = 41,040.02
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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.