Finding the Fourth Proportional to 92,873.46, 128,165.38 and 50,431.99
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Solution
The fourth proportional to 92,873.46, 128,165.38 and 50,431.99 is: 69,596.15
Step by Step Solution
- Step 1: Write the proportion equation
92,873.46 : 128,165.38 = 50,431.99 : x - Step 2: Convert to fraction form
92,873.46/128,165.38 = 50,431.99/x - Step 3: Cross multiply
92,873.46x = 128,165.38 × 50,431.99 - Step 4: Simplify right side
92,873.46x = 6,463,635,245.87 - Step 5: Solve for x
x = 6,463,635,245.87/92,873.46 - Step 6: Final answer
x = 69,596.15
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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.