Finding the Fourth Proportional to 86,795.11, 130,193.75 and 27,630.55
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Solution
The fourth proportional to 86,795.11, 130,193.75 and 27,630.55 is: 41,446.17
Step by Step Solution
- Step 1: Write the proportion equation
86,795.11 : 130,193.75 = 27,630.55 : x - Step 2: Convert to fraction form
86,795.11/130,193.75 = 27,630.55/x - Step 3: Cross multiply
86,795.11x = 130,193.75 × 27,630.55 - Step 4: Simplify right side
86,795.11x = 3,597,324,919.06 - Step 5: Solve for x
x = 3,597,324,919.06/86,795.11 - Step 6: Final answer
x = 41,446.17
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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.