Finding the Fourth Proportional to 86,743.92, 130,079.16 and 27,563.70
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Solution
The fourth proportional to 86,743.92, 130,079.16 and 27,563.70 is: 41,333.88
Step by Step Solution
- Step 1: Write the proportion equation
86,743.92 : 130,079.16 = 27,563.70 : x - Step 2: Convert to fraction form
86,743.92/130,079.16 = 27,563.70/x - Step 3: Cross multiply
86,743.92x = 130,079.16 × 27,563.70 - Step 4: Simplify right side
86,743.92x = 3,585,462,942.49 - Step 5: Solve for x
x = 3,585,462,942.49/86,743.92 - Step 6: Final answer
x = 41,333.88
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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.