Finding the Fourth Proportional to 86,271.27, 119,043.97 and 48,021.63
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Solution
The fourth proportional to 86,271.27, 119,043.97 and 48,021.63 is: 66,264.07
Step by Step Solution
- Step 1: Write the proportion equation
86,271.27 : 119,043.97 = 48,021.63 : x - Step 2: Convert to fraction form
86,271.27/119,043.97 = 48,021.63/x - Step 3: Cross multiply
86,271.27x = 119,043.97 × 48,021.63 - Step 4: Simplify right side
86,271.27x = 5,716,685,481.07 - Step 5: Solve for x
x = 5,716,685,481.07/86,271.27 - Step 6: Final answer
x = 66,264.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.