Finding the Fourth Proportional to 96,316.49, 133,043.75 and 73,932.08
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Solution
The fourth proportional to 96,316.49, 133,043.75 and 73,932.08 is: 102,123.75
Step by Step Solution
- Step 1: Write the proportion equation
96,316.49 : 133,043.75 = 73,932.08 : x - Step 2: Convert to fraction form
96,316.49/133,043.75 = 73,932.08/x - Step 3: Cross multiply
96,316.49x = 133,043.75 × 73,932.08 - Step 4: Simplify right side
96,316.49x = 9,836,201,168.50 - Step 5: Solve for x
x = 9,836,201,168.50/96,316.49 - Step 6: Final answer
x = 102,123.75
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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.