Finding the Fourth Proportional to 96,711.68, 133,476.36 and 59,007.80
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Solution
The fourth proportional to 96,711.68, 133,476.36 and 59,007.80 is: 81,439.45
Step by Step Solution
- Step 1: Write the proportion equation
96,711.68 : 133,476.36 = 59,007.80 : x - Step 2: Convert to fraction form
96,711.68/133,476.36 = 59,007.80/x - Step 3: Cross multiply
96,711.68x = 133,476.36 × 59,007.80 - Step 4: Simplify right side
96,711.68x = 7,876,146,355.61 - Step 5: Solve for x
x = 7,876,146,355.61/96,711.68 - Step 6: Final answer
x = 81,439.45
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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.