Finding the Fourth Proportional to 73,694.99, 110,449.98 and 31,525.49
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Solution
The fourth proportional to 73,694.99, 110,449.98 and 31,525.49 is: 47,248.67
Step by Step Solution
- Step 1: Write the proportion equation
73,694.99 : 110,449.98 = 31,525.49 : x - Step 2: Convert to fraction form
73,694.99/110,449.98 = 31,525.49/x - Step 3: Cross multiply
73,694.99x = 110,449.98 × 31,525.49 - Step 4: Simplify right side
73,694.99x = 3,481,990,016.12 - Step 5: Solve for x
x = 3,481,990,016.12/73,694.99 - Step 6: Final answer
x = 47,248.67
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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.