Finding the Fourth Proportional to 79,917.58, 110,285.71 and 44,107.59
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Solution
The fourth proportional to 79,917.58, 110,285.71 and 44,107.59 is: 60,868.17
Step by Step Solution
- Step 1: Write the proportion equation
79,917.58 : 110,285.71 = 44,107.59 : x - Step 2: Convert to fraction form
79,917.58/110,285.71 = 44,107.59/x - Step 3: Cross multiply
79,917.58x = 110,285.71 × 44,107.59 - Step 4: Simplify right side
79,917.58x = 4,864,436,531.44 - Step 5: Solve for x
x = 4,864,436,531.44/79,917.58 - Step 6: Final answer
x = 60,868.17
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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.