Finding the Fourth Proportional to 96,120.54, 132,653.67 and 70,743.09
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Solution
The fourth proportional to 96,120.54, 132,653.67 and 70,743.09 is: 97,630.86
Step by Step Solution
- Step 1: Write the proportion equation
96,120.54 : 132,653.67 = 70,743.09 : x - Step 2: Convert to fraction form
96,120.54/132,653.67 = 70,743.09/x - Step 3: Cross multiply
96,120.54x = 132,653.67 × 70,743.09 - Step 4: Simplify right side
96,120.54x = 9,384,330,515.64 - Step 5: Solve for x
x = 9,384,330,515.64/96,120.54 - Step 6: Final answer
x = 97,630.86
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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.