Finding the Fourth Proportional to 96,715.63, 133,433.36 and 63,201.07
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Solution
The fourth proportional to 96,715.63, 133,433.36 and 63,201.07 is: 87,195.12
Step by Step Solution
- Step 1: Write the proportion equation
96,715.63 : 133,433.36 = 63,201.07 : x - Step 2: Convert to fraction form
96,715.63/133,433.36 = 63,201.07/x - Step 3: Cross multiply
96,715.63x = 133,433.36 × 63,201.07 - Step 4: Simplify right side
96,715.63x = 8,433,130,809.69 - Step 5: Solve for x
x = 8,433,130,809.69/96,715.63 - Step 6: Final answer
x = 87,195.12
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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.