Finding the Fourth Proportional to 96,817.88, 133,615.49 and 54,376.44
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Solution
The fourth proportional to 96,817.88, 133,615.49 and 54,376.44 is: 75,043.32
Step by Step Solution
- Step 1: Write the proportion equation
96,817.88 : 133,615.49 = 54,376.44 : x - Step 2: Convert to fraction form
96,817.88/133,615.49 = 54,376.44/x - Step 3: Cross multiply
96,817.88x = 133,615.49 × 54,376.44 - Step 4: Simplify right side
96,817.88x = 7,265,534,403.17 - Step 5: Solve for x
x = 7,265,534,403.17/96,817.88 - Step 6: Final answer
x = 75,043.32
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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.