Finding the Fourth Proportional to 86,271.24, 129,405.57 and 27,110.46
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Solution
The fourth proportional to 86,271.24, 129,405.57 and 27,110.46 is: 40,665.28
Step by Step Solution
- Step 1: Write the proportion equation
86,271.24 : 129,405.57 = 27,110.46 : x - Step 2: Convert to fraction form
86,271.24/129,405.57 = 27,110.46/x - Step 3: Cross multiply
86,271.24x = 129,405.57 × 27,110.46 - Step 4: Simplify right side
86,271.24x = 3,508,244,529.26 - Step 5: Solve for x
x = 3,508,244,529.26/86,271.24 - Step 6: Final answer
x = 40,665.28
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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.