Finding the Fourth Proportional to 102,739.44, 154,153.68 and 36,227.08
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Solution
The fourth proportional to 102,739.44, 154,153.68 and 36,227.08 is: 54,356.32
Step by Step Solution
- Step 1: Write the proportion equation
102,739.44 : 154,153.68 = 36,227.08 : x - Step 2: Convert to fraction form
102,739.44/154,153.68 = 36,227.08/x - Step 3: Cross multiply
102,739.44x = 154,153.68 × 36,227.08 - Step 4: Simplify right side
102,739.44x = 5,584,537,697.65 - Step 5: Solve for x
x = 5,584,537,697.65/102,739.44 - Step 6: Final answer
x = 54,356.32
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1.5x scale
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.