Finding the Fourth Proportional to 79,754.10, 110,065.68 and 43,944.09
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Solution
The fourth proportional to 79,754.10, 110,065.68 and 43,944.09 is: 60,645.61
Step by Step Solution
- Step 1: Write the proportion equation
79,754.10 : 110,065.68 = 43,944.09 : x - Step 2: Convert to fraction form
79,754.10/110,065.68 = 43,944.09/x - Step 3: Cross multiply
79,754.10x = 110,065.68 × 43,944.09 - Step 4: Simplify right side
79,754.10x = 4,836,736,147.83 - Step 5: Solve for x
x = 4,836,736,147.83/79,754.10 - Step 6: Final answer
x = 60,645.61
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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.