Finding the Fourth Proportional to 86,795.18, 130,217.73 and 27,639.98
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Solution
The fourth proportional to 86,795.18, 130,217.73 and 27,639.98 is: 41,467.92
Step by Step Solution
- Step 1: Write the proportion equation
86,795.18 : 130,217.73 = 27,639.98 : x - Step 2: Convert to fraction form
86,795.18/130,217.73 = 27,639.98/x - Step 3: Cross multiply
86,795.18x = 130,217.73 × 27,639.98 - Step 4: Simplify right side
86,795.18x = 3,599,215,452.85 - Step 5: Solve for x
x = 3,599,215,452.85/86,795.18 - Step 6: Final answer
x = 41,467.92
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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.