Finding the Fourth Proportional to 96,646.09, 133,378.26 and 54,207.35
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Solution
The fourth proportional to 96,646.09, 133,378.26 and 54,207.35 is: 74,809.88
Step by Step Solution
- Step 1: Write the proportion equation
96,646.09 : 133,378.26 = 54,207.35 : x - Step 2: Convert to fraction form
96,646.09/133,378.26 = 54,207.35/x - Step 3: Cross multiply
96,646.09x = 133,378.26 × 54,207.35 - Step 4: Simplify right side
96,646.09x = 7,230,082,179.80 - Step 5: Solve for x
x = 7,230,082,179.80/96,646.09 - Step 6: Final answer
x = 74,809.88
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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.