Finding the Fourth Proportional to 84,048.14, 115,986.94 and 48,237.24
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Solution
The fourth proportional to 84,048.14, 115,986.94 and 48,237.24 is: 66,567.68
Step by Step Solution
- Step 1: Write the proportion equation
84,048.14 : 115,986.94 = 48,237.24 : x - Step 2: Convert to fraction form
84,048.14/115,986.94 = 48,237.24/x - Step 3: Cross multiply
84,048.14x = 115,986.94 × 48,237.24 - Step 4: Simplify right side
84,048.14x = 5,594,889,861.65 - Step 5: Solve for x
x = 5,594,889,861.65/84,048.14 - Step 6: Final answer
x = 66,567.68
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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.