Finding the Fourth Proportional to 85,555.44, 128,245.68 and 32,944.32
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Solution
The fourth proportional to 85,555.44, 128,245.68 and 32,944.32 is: 49,382.79
Step by Step Solution
- Step 1: Write the proportion equation
85,555.44 : 128,245.68 = 32,944.32 : x - Step 2: Convert to fraction form
85,555.44/128,245.68 = 32,944.32/x - Step 3: Cross multiply
85,555.44x = 128,245.68 × 32,944.32 - Step 4: Simplify right side
85,555.44x = 4,224,966,720.54 - Step 5: Solve for x
x = 4,224,966,720.54/85,555.44 - Step 6: Final answer
x = 49,382.79
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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.