Finding the Fourth Proportional to 125,881.62, 173,721.03 and 68,525.66
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Solution
The fourth proportional to 125,881.62, 173,721.03 and 68,525.66 is: 94,567.80
Step by Step Solution
- Step 1: Write the proportion equation
125,881.62 : 173,721.03 = 68,525.66 : x - Step 2: Convert to fraction form
125,881.62/173,721.03 = 68,525.66/x - Step 3: Cross multiply
125,881.62x = 173,721.03 × 68,525.66 - Step 4: Simplify right side
125,881.62x = 11,904,347,368.02 - Step 5: Solve for x
x = 11,904,347,368.02/125,881.62 - Step 6: Final answer
x = 94,567.80
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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.