Finding the Fourth Proportional to 73,645.99, 110,468.99 and 20,336.21
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Solution
The fourth proportional to 73,645.99, 110,468.99 and 20,336.21 is: 30,504.32
Step by Step Solution
- Step 1: Write the proportion equation
73,645.99 : 110,468.99 = 20,336.21 : x - Step 2: Convert to fraction form
73,645.99/110,468.99 = 20,336.21/x - Step 3: Cross multiply
73,645.99x = 110,468.99 × 20,336.21 - Step 4: Simplify right side
73,645.99x = 2,246,520,906.14 - Step 5: Solve for x
x = 2,246,520,906.14/73,645.99 - Step 6: Final answer
x = 30,504.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.