Finding the Fourth Proportional to 91,754.10, 126,625.68 and 51,480.63
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Solution
The fourth proportional to 91,754.10, 126,625.68 and 51,480.63 is: 71,046.09
Step by Step Solution
- Step 1: Write the proportion equation
91,754.10 : 126,625.68 = 51,480.63 : x - Step 2: Convert to fraction form
91,754.10/126,625.68 = 51,480.63/x - Step 3: Cross multiply
91,754.10x = 126,625.68 × 51,480.63 - Step 4: Simplify right side
91,754.10x = 6,518,769,780.58 - Step 5: Solve for x
x = 6,518,769,780.58/91,754.10 - Step 6: Final answer
x = 71,046.09
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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.