Finding the Fourth Proportional to 81,652.38, 122,364.36 and 44,232.81
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Solution
The fourth proportional to 81,652.38, 122,364.36 and 44,232.81 is: 66,287.35
Step by Step Solution
- Step 1: Write the proportion equation
81,652.38 : 122,364.36 = 44,232.81 : x - Step 2: Convert to fraction form
81,652.38/122,364.36 = 44,232.81/x - Step 3: Cross multiply
81,652.38x = 122,364.36 × 44,232.81 - Step 4: Simplify right side
81,652.38x = 5,412,519,486.65 - Step 5: Solve for x
x = 5,412,519,486.65/81,652.38 - Step 6: Final answer
x = 66,287.35
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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.