Finding the Fourth Proportional to 97,930.01, 135,093.68 and 63,958.38
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Solution
The fourth proportional to 97,930.01, 135,093.68 and 63,958.38 is: 88,230.08
Step by Step Solution
- Step 1: Write the proportion equation
97,930.01 : 135,093.68 = 63,958.38 : x - Step 2: Convert to fraction form
97,930.01/135,093.68 = 63,958.38/x - Step 3: Cross multiply
97,930.01x = 135,093.68 × 63,958.38 - Step 4: Simplify right side
97,930.01x = 8,640,373,316.94 - Step 5: Solve for x
x = 8,640,373,316.94/97,930.01 - Step 6: Final answer
x = 88,230.08
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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.