Finding the Fourth Proportional to 86,786.36, 130,193.14 and 27,635.32
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Solution
The fourth proportional to 86,786.36, 130,193.14 and 27,635.32 is: 41,457.31
Step by Step Solution
- Step 1: Write the proportion equation
86,786.36 : 130,193.14 = 27,635.32 : x - Step 2: Convert to fraction form
86,786.36/130,193.14 = 27,635.32/x - Step 3: Cross multiply
86,786.36x = 130,193.14 × 27,635.32 - Step 4: Simplify right side
86,786.36x = 3,597,929,085.70 - Step 5: Solve for x
x = 3,597,929,085.70/86,786.36 - Step 6: Final answer
x = 41,457.31
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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.