Finding the Fourth Proportional to 96,934.13, 133,781.06 and 54,491.75
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Solution
The fourth proportional to 96,934.13, 133,781.06 and 54,491.75 is: 75,205.34
Step by Step Solution
- Step 1: Write the proportion equation
96,934.13 : 133,781.06 = 54,491.75 : x - Step 2: Convert to fraction form
96,934.13/133,781.06 = 54,491.75/x - Step 3: Cross multiply
96,934.13x = 133,781.06 × 54,491.75 - Step 4: Simplify right side
96,934.13x = 7,289,964,076.26 - Step 5: Solve for x
x = 7,289,964,076.26/96,934.13 - Step 6: Final answer
x = 75,205.34
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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.