Finding the Fourth Proportional to 86,716.08, 130,088.70 and 27,568.44
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Solution
The fourth proportional to 86,716.08, 130,088.70 and 27,568.44 is: 41,357.30
Step by Step Solution
- Step 1: Write the proportion equation
86,716.08 : 130,088.70 = 27,568.44 : x - Step 2: Convert to fraction form
86,716.08/130,088.70 = 27,568.44/x - Step 3: Cross multiply
86,716.08x = 130,088.70 × 27,568.44 - Step 4: Simplify right side
86,716.08x = 3,586,342,520.63 - Step 5: Solve for x
x = 3,586,342,520.63/86,716.08 - Step 6: Final answer
x = 41,357.30
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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.