Finding the Fourth Proportional to 97,481.53, 134,525.43 and 57,195.97
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Solution
The fourth proportional to 97,481.53, 134,525.43 and 57,195.97 is: 78,930.99
Step by Step Solution
- Step 1: Write the proportion equation
97,481.53 : 134,525.43 = 57,195.97 : x - Step 2: Convert to fraction form
97,481.53/134,525.43 = 57,195.97/x - Step 3: Cross multiply
97,481.53x = 134,525.43 × 57,195.97 - Step 4: Simplify right side
97,481.53x = 7,694,313,039.77 - Step 5: Solve for x
x = 7,694,313,039.77/97,481.53 - Step 6: Final answer
x = 78,930.99
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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.