Finding the Fourth Proportional to 73,000.26, 100,740.48 and 39,466.26
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Solution
The fourth proportional to 73,000.26, 100,740.48 and 39,466.26 is: 54,463.50
Step by Step Solution
- Step 1: Write the proportion equation
73,000.26 : 100,740.48 = 39,466.26 : x - Step 2: Convert to fraction form
73,000.26/100,740.48 = 39,466.26/x - Step 3: Cross multiply
73,000.26x = 100,740.48 × 39,466.26 - Step 4: Simplify right side
73,000.26x = 3,975,849,976.20 - Step 5: Solve for x
x = 3,975,849,976.20/73,000.26 - Step 6: Final answer
x = 54,463.50
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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.