Finding the Fourth Proportional to 125,578.24, 173,247.84 and 71,852.80
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Solution
The fourth proportional to 125,578.24, 173,247.84 and 71,852.80 is: 99,128.18
Step by Step Solution
- Step 1: Write the proportion equation
125,578.24 : 173,247.84 = 71,852.80 : x - Step 2: Convert to fraction form
125,578.24/173,247.84 = 71,852.80/x - Step 3: Cross multiply
125,578.24x = 173,247.84 × 71,852.80 - Step 4: Simplify right side
125,578.24x = 12,448,342,397.95 - Step 5: Solve for x
x = 12,448,342,397.95/125,578.24 - Step 6: Final answer
x = 99,128.18
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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.