Finding the Fourth Proportional to 97,033.70, 133,900.88 and 54,589.70
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Solution
The fourth proportional to 97,033.70, 133,900.88 and 54,589.70 is: 75,330.62
Step by Step Solution
- Step 1: Write the proportion equation
97,033.70 : 133,900.88 = 54,589.70 : x - Step 2: Convert to fraction form
97,033.70/133,900.88 = 54,589.70/x - Step 3: Cross multiply
97,033.70x = 133,900.88 × 54,589.70 - Step 4: Simplify right side
97,033.70x = 7,309,608,868.94 - Step 5: Solve for x
x = 7,309,608,868.94/97,033.70 - Step 6: Final answer
x = 75,330.62
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1.5x scale
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.