Finding the Fourth Proportional to 79,945.56, 110,324.15 and 44,134.80
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Solution
The fourth proportional to 79,945.56, 110,324.15 and 44,134.80 is: 60,905.62
Step by Step Solution
- Step 1: Write the proportion equation
79,945.56 : 110,324.15 = 44,134.80 : x - Step 2: Convert to fraction form
79,945.56/110,324.15 = 44,134.80/x - Step 3: Cross multiply
79,945.56x = 110,324.15 × 44,134.80 - Step 4: Simplify right side
79,945.56x = 4,869,134,074.75 - Step 5: Solve for x
x = 4,869,134,074.75/79,945.56 - Step 6: Final answer
x = 60,905.62
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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.