Finding the Fourth Proportional to 96,883.98, 133,698.51 and 54,442.14
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Solution
The fourth proportional to 96,883.98, 133,698.51 and 54,442.14 is: 75,129.38
Step by Step Solution
- Step 1: Write the proportion equation
96,883.98 : 133,698.51 = 54,442.14 : x - Step 2: Convert to fraction form
96,883.98/133,698.51 = 54,442.14/x - Step 3: Cross multiply
96,883.98x = 133,698.51 × 54,442.14 - Step 4: Simplify right side
96,883.98x = 7,278,832,999.21 - Step 5: Solve for x
x = 7,278,832,999.21/96,883.98 - Step 6: Final answer
x = 75,129.38
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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.