Finding the Fourth Proportional to 96,771.36, 133,537.08 and 54,321.60
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Solution
The fourth proportional to 96,771.36, 133,537.08 and 54,321.60 is: 74,959.66
Step by Step Solution
- Step 1: Write the proportion equation
96,771.36 : 133,537.08 = 54,321.60 : x - Step 2: Convert to fraction form
96,771.36/133,537.08 = 54,321.60/x - Step 3: Cross multiply
96,771.36x = 133,537.08 × 54,321.60 - Step 4: Simplify right side
96,771.36x = 7,253,947,844.93 - Step 5: Solve for x
x = 7,253,947,844.93/96,771.36 - Step 6: Final answer
x = 74,959.66
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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.