Finding the Fourth Proportional to 96,814.85, 133,589.99 and 54,365.18
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Solution
The fourth proportional to 96,814.85, 133,589.99 and 54,365.18 is: 75,015.80
Step by Step Solution
- Step 1: Write the proportion equation
96,814.85 : 133,589.99 = 54,365.18 : x - Step 2: Convert to fraction form
96,814.85/133,589.99 = 54,365.18/x - Step 3: Cross multiply
96,814.85x = 133,589.99 × 54,365.18 - Step 4: Simplify right side
96,814.85x = 7,262,643,320.51 - Step 5: Solve for x
x = 7,262,643,320.51/96,814.85 - Step 6: Final answer
x = 75,015.80
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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.