Finding the Fourth Proportional to 79,738.92, 110,044.76 and 43,928.96
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Solution
The fourth proportional to 79,738.92, 110,044.76 and 43,928.96 is: 60,624.75
Step by Step Solution
- Step 1: Write the proportion equation
79,738.92 : 110,044.76 = 43,928.96 : x - Step 2: Convert to fraction form
79,738.92/110,044.76 = 43,928.96/x - Step 3: Cross multiply
79,738.92x = 110,044.76 × 43,928.96 - Step 4: Simplify right side
79,738.92x = 4,834,151,860.25 - Step 5: Solve for x
x = 4,834,151,860.25/79,738.92 - Step 6: Final answer
x = 60,624.75
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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.