Finding the Fourth Proportional to 96,616.13, 133,330.07 and 54,173.75
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Solution
The fourth proportional to 96,616.13, 133,330.07 and 54,173.75 is: 74,759.67
Step by Step Solution
- Step 1: Write the proportion equation
96,616.13 : 133,330.07 = 54,173.75 : x - Step 2: Convert to fraction form
96,616.13/133,330.07 = 54,173.75/x - Step 3: Cross multiply
96,616.13x = 133,330.07 × 54,173.75 - Step 4: Simplify right side
96,616.13x = 7,222,989,608.79 - Step 5: Solve for x
x = 7,222,989,608.79/96,616.13 - Step 6: Final answer
x = 74,759.67
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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.