Finding the Fourth Proportional to 83,694.12, 125,554.68 and 27,517.92
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Solution
The fourth proportional to 83,694.12, 125,554.68 and 27,517.92 is: 41,281.32
Step by Step Solution
- Step 1: Write the proportion equation
83,694.12 : 125,554.68 = 27,517.92 : x - Step 2: Convert to fraction form
83,694.12/125,554.68 = 27,517.92/x - Step 3: Cross multiply
83,694.12x = 125,554.68 × 27,517.92 - Step 4: Simplify right side
83,694.12x = 3,455,003,639.87 - Step 5: Solve for x
x = 3,455,003,639.87/83,694.12 - Step 6: Final answer
x = 41,281.32
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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.