Finding the Fourth Proportional to 73,782.99, 110,680.56 and 23,871.09
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Solution
The fourth proportional to 73,782.99, 110,680.56 and 23,871.09 is: 35,808.60
Step by Step Solution
- Step 1: Write the proportion equation
73,782.99 : 110,680.56 = 23,871.09 : x - Step 2: Convert to fraction form
73,782.99/110,680.56 = 23,871.09/x - Step 3: Cross multiply
73,782.99x = 110,680.56 × 23,871.09 - Step 4: Simplify right side
73,782.99x = 2,642,065,609.01 - Step 5: Solve for x
x = 2,642,065,609.01/73,782.99 - Step 6: Final answer
x = 35,808.60
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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.