Finding the Fourth Proportional to 87,853.68, 131,685.48 and 35,236.08
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Solution
The fourth proportional to 87,853.68, 131,685.48 and 35,236.08 is: 52,816.00
Step by Step Solution
- Step 1: Write the proportion equation
87,853.68 : 131,685.48 = 35,236.08 : x - Step 2: Convert to fraction form
87,853.68/131,685.48 = 35,236.08/x - Step 3: Cross multiply
87,853.68x = 131,685.48 × 35,236.08 - Step 4: Simplify right side
87,853.68x = 4,640,080,108.12 - Step 5: Solve for x
x = 4,640,080,108.12/87,853.68 - Step 6: Final answer
x = 52,816.00
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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.