Finding the Fourth Proportional to 96,583.05, 133,284.07 and 54,140.67
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Solution
The fourth proportional to 96,583.05, 133,284.07 and 54,140.67 is: 74,713.82
Step by Step Solution
- Step 1: Write the proportion equation
96,583.05 : 133,284.07 = 54,140.67 : x - Step 2: Convert to fraction form
96,583.05/133,284.07 = 54,140.67/x - Step 3: Cross multiply
96,583.05x = 133,284.07 × 54,140.67 - Step 4: Simplify right side
96,583.05x = 7,216,088,850.13 - Step 5: Solve for x
x = 7,216,088,850.13/96,583.05 - Step 6: Final answer
x = 74,713.82
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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.