Finding the Fourth Proportional to 90,645.47, 125,092.97 and 49,809.26
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Solution
The fourth proportional to 90,645.47, 125,092.97 and 49,809.26 is: 68,738.00
Step by Step Solution
- Step 1: Write the proportion equation
90,645.47 : 125,092.97 = 49,809.26 : x - Step 2: Convert to fraction form
90,645.47/125,092.97 = 49,809.26/x - Step 3: Cross multiply
90,645.47x = 125,092.97 × 49,809.26 - Step 4: Simplify right side
90,645.47x = 6,230,788,517.37 - Step 5: Solve for x
x = 6,230,788,517.37/90,645.47 - Step 6: Final answer
x = 68,738.00
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1.5x scale
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.