Finding the Fourth Proportional to 79,949.09, 110,330.28 and 44,141.42
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Solution
The fourth proportional to 79,949.09, 110,330.28 and 44,141.42 is: 60,915.45
Step by Step Solution
- Step 1: Write the proportion equation
79,949.09 : 110,330.28 = 44,141.42 : x - Step 2: Convert to fraction form
79,949.09/110,330.28 = 44,141.42/x - Step 3: Cross multiply
79,949.09x = 110,330.28 × 44,141.42 - Step 4: Simplify right side
79,949.09x = 4,870,134,676.55 - Step 5: Solve for x
x = 4,870,134,676.55/79,949.09 - Step 6: Final answer
x = 60,915.45
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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.