Finding the Fourth Proportional to 86,738.13, 130,107.24 and 27,573.84
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Solution
The fourth proportional to 86,738.13, 130,107.24 and 27,573.84 is: 41,360.77
Step by Step Solution
- Step 1: Write the proportion equation
86,738.13 : 130,107.24 = 27,573.84 : x - Step 2: Convert to fraction form
86,738.13/130,107.24 = 27,573.84/x - Step 3: Cross multiply
86,738.13x = 130,107.24 × 27,573.84 - Step 4: Simplify right side
86,738.13x = 3,587,556,218.60 - Step 5: Solve for x
x = 3,587,556,218.60/86,738.13 - Step 6: Final answer
x = 41,360.77
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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.