Finding the Fourth Proportional to 97,107.94, 134,021.73 and 54,674.74
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Solution
The fourth proportional to 97,107.94, 134,021.73 and 54,674.74 is: 75,458.33
Step by Step Solution
- Step 1: Write the proportion equation
97,107.94 : 134,021.73 = 54,674.74 : x - Step 2: Convert to fraction form
97,107.94/134,021.73 = 54,674.74/x - Step 3: Cross multiply
97,107.94x = 134,021.73 × 54,674.74 - Step 4: Simplify right side
97,107.94x = 7,327,603,242.10 - Step 5: Solve for x
x = 7,327,603,242.10/97,107.94 - Step 6: Final answer
x = 75,458.33
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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.