Finding the Fourth Proportional to 80,037.78, 110,449.17 and 44,227.05
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Solution
The fourth proportional to 80,037.78, 110,449.17 and 44,227.05 is: 61,031.69
Step by Step Solution
- Step 1: Write the proportion equation
80,037.78 : 110,449.17 = 44,227.05 : x - Step 2: Convert to fraction form
80,037.78/110,449.17 = 44,227.05/x - Step 3: Cross multiply
80,037.78x = 110,449.17 × 44,227.05 - Step 4: Simplify right side
80,037.78x = 4,884,840,964.05 - Step 5: Solve for x
x = 4,884,840,964.05/80,037.78 - Step 6: Final answer
x = 61,031.69
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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.