Finding the Fourth Proportional to 73,900.10, 110,785.35 and 44,329.70
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Solution
The fourth proportional to 73,900.10, 110,785.35 and 44,329.70 is: 66,455.68
Step by Step Solution
- Step 1: Write the proportion equation
73,900.10 : 110,785.35 = 44,329.70 : x - Step 2: Convert to fraction form
73,900.10/110,785.35 = 44,329.70/x - Step 3: Cross multiply
73,900.10x = 110,785.35 × 44,329.70 - Step 4: Simplify right side
73,900.10x = 4,911,081,329.90 - Step 5: Solve for x
x = 4,911,081,329.90/73,900.10 - Step 6: Final answer
x = 66,455.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.