Finding the Fourth Proportional to 79,949.49, 110,330.46 and 44,139.57
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Solution
The fourth proportional to 79,949.49, 110,330.46 and 44,139.57 is: 60,912.70
Step by Step Solution
- Step 1: Write the proportion equation
79,949.49 : 110,330.46 = 44,139.57 : x - Step 2: Convert to fraction form
79,949.49/110,330.46 = 44,139.57/x - Step 3: Cross multiply
79,949.49x = 110,330.46 × 44,139.57 - Step 4: Simplify right side
79,949.49x = 4,869,939,062.30 - Step 5: Solve for x
x = 4,869,939,062.30/79,949.49 - Step 6: Final answer
x = 60,912.70
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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.