Finding the Fourth Proportional to 125,915.36, 173,762.84 and 69,326.73
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Solution
The fourth proportional to 125,915.36, 173,762.84 and 69,326.73 is: 95,670.69
Step by Step Solution
- Step 1: Write the proportion equation
125,915.36 : 173,762.84 = 69,326.73 : x - Step 2: Convert to fraction form
125,915.36/173,762.84 = 69,326.73/x - Step 3: Cross multiply
125,915.36x = 173,762.84 × 69,326.73 - Step 4: Simplify right side
125,915.36x = 12,046,409,146.08 - Step 5: Solve for x
x = 12,046,409,146.08/125,915.36 - Step 6: Final answer
x = 95,670.69
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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.