Finding the Fourth Proportional to 83,469.98, 125,117.49 and 30,845.90
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Solution
The fourth proportional to 83,469.98, 125,117.49 and 30,845.90 is: 46,236.52
Step by Step Solution
- Step 1: Write the proportion equation
83,469.98 : 125,117.49 = 30,845.90 : x - Step 2: Convert to fraction form
83,469.98/125,117.49 = 30,845.90/x - Step 3: Cross multiply
83,469.98x = 125,117.49 × 30,845.90 - Step 4: Simplify right side
83,469.98x = 3,859,361,584.79 - Step 5: Solve for x
x = 3,859,361,584.79/83,469.98 - Step 6: Final answer
x = 46,236.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.