Finding the Fourth Proportional to 97,115.63, 134,022.08 and 54,675.68
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Solution
The fourth proportional to 97,115.63, 134,022.08 and 54,675.68 is: 75,453.85
Step by Step Solution
- Step 1: Write the proportion equation
97,115.63 : 134,022.08 = 54,675.68 : x - Step 2: Convert to fraction form
97,115.63/134,022.08 = 54,675.68/x - Step 3: Cross multiply
97,115.63x = 134,022.08 × 54,675.68 - Step 4: Simplify right side
97,115.63x = 7,327,748,085.64 - Step 5: Solve for x
x = 7,327,748,085.64/97,115.63 - Step 6: Final answer
x = 75,453.85
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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.