Finding the Fourth Proportional to 125,124.26, 172,673.73 and 68,531.99
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Solution
The fourth proportional to 125,124.26, 172,673.73 and 68,531.99 is: 94,575.38
Step by Step Solution
- Step 1: Write the proportion equation
125,124.26 : 172,673.73 = 68,531.99 : x - Step 2: Convert to fraction form
125,124.26/172,673.73 = 68,531.99/x - Step 3: Cross multiply
125,124.26x = 172,673.73 × 68,531.99 - Step 4: Simplify right side
125,124.26x = 11,833,674,337.62 - Step 5: Solve for x
x = 11,833,674,337.62/125,124.26 - Step 6: Final answer
x = 94,575.38
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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.