Finding the Fourth Proportional to 80,118.68, 110,526.18 and 51,833.48
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Solution
The fourth proportional to 80,118.68, 110,526.18 and 51,833.48 is: 71,505.88
Step by Step Solution
- Step 1: Write the proportion equation
80,118.68 : 110,526.18 = 51,833.48 : x - Step 2: Convert to fraction form
80,118.68/110,526.18 = 51,833.48/x - Step 3: Cross multiply
80,118.68x = 110,526.18 × 51,833.48 - Step 4: Simplify right side
80,118.68x = 5,728,956,540.51 - Step 5: Solve for x
x = 5,728,956,540.51/80,118.68 - Step 6: Final answer
x = 71,505.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.