Finding the Fourth Proportional to 96,210.66, 132,770.91 and 53,769.19
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Solution
The fourth proportional to 96,210.66, 132,770.91 and 53,769.19 is: 74,201.59
Step by Step Solution
- Step 1: Write the proportion equation
96,210.66 : 132,770.91 = 53,769.19 : x - Step 2: Convert to fraction form
96,210.66/132,770.91 = 53,769.19/x - Step 3: Cross multiply
96,210.66x = 132,770.91 × 53,769.19 - Step 4: Simplify right side
96,210.66x = 7,138,984,286.26 - Step 5: Solve for x
x = 7,138,984,286.26/96,210.66 - Step 6: Final answer
x = 74,201.59
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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.