Finding the Fourth Proportional to 73,331.99, 101,198.05 and 39,797.99
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Solution
The fourth proportional to 73,331.99, 101,198.05 and 39,797.99 is: 54,921.17
Step by Step Solution
- Step 1: Write the proportion equation
73,331.99 : 101,198.05 = 39,797.99 : x - Step 2: Convert to fraction form
73,331.99/101,198.05 = 39,797.99/x - Step 3: Cross multiply
73,331.99x = 101,198.05 × 39,797.99 - Step 4: Simplify right side
73,331.99x = 4,027,478,981.92 - Step 5: Solve for x
x = 4,027,478,981.92/73,331.99 - Step 6: Final answer
x = 54,921.17
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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.