Finding the Fourth Proportional to 96,837.88, 133,643.09 and 54,396.44
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Solution
The fourth proportional to 96,837.88, 133,643.09 and 54,396.44 is: 75,070.92
Step by Step Solution
- Step 1: Write the proportion equation
96,837.88 : 133,643.09 = 54,396.44 : x - Step 2: Convert to fraction form
96,837.88/133,643.09 = 54,396.44/x - Step 3: Cross multiply
96,837.88x = 133,643.09 × 54,396.44 - Step 4: Simplify right side
96,837.88x = 7,269,708,326.60 - Step 5: Solve for x
x = 7,269,708,326.60/96,837.88 - Step 6: Final answer
x = 75,070.92
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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.