Finding the Fourth Proportional to 82,219.65, 113,460.71 and 46,412.99
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Solution
The fourth proportional to 82,219.65, 113,460.71 and 46,412.99 is: 64,048.57
Step by Step Solution
- Step 1: Write the proportion equation
82,219.65 : 113,460.71 = 46,412.99 : x - Step 2: Convert to fraction form
82,219.65/113,460.71 = 46,412.99/x - Step 3: Cross multiply
82,219.65x = 113,460.71 × 46,412.99 - Step 4: Simplify right side
82,219.65x = 5,266,050,798.62 - Step 5: Solve for x
x = 5,266,050,798.62/82,219.65 - Step 6: Final answer
x = 64,048.57
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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.