Finding the Fourth Proportional to 79,968.44, 110,357.34 and 44,158.40
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Solution
The fourth proportional to 79,968.44, 110,357.34 and 44,158.40 is: 60,939.09
Step by Step Solution
- Step 1: Write the proportion equation
79,968.44 : 110,357.34 = 44,158.40 : x - Step 2: Convert to fraction form
79,968.44/110,357.34 = 44,158.40/x - Step 3: Cross multiply
79,968.44x = 110,357.34 × 44,158.40 - Step 4: Simplify right side
79,968.44x = 4,873,203,562.66 - Step 5: Solve for x
x = 4,873,203,562.66/79,968.44 - Step 6: Final answer
x = 60,939.09
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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.