Finding the Fourth Proportional to 73,412.40, 110,043.36 and 49,722.42
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Solution
The fourth proportional to 73,412.40, 110,043.36 and 49,722.42 is: 74,532.67
Step by Step Solution
- Step 1: Write the proportion equation
73,412.40 : 110,043.36 = 49,722.42 : x - Step 2: Convert to fraction form
73,412.40/110,043.36 = 49,722.42/x - Step 3: Cross multiply
73,412.40x = 110,043.36 × 49,722.42 - Step 4: Simplify right side
73,412.40x = 5,471,622,164.13 - Step 5: Solve for x
x = 5,471,622,164.13/73,412.40 - Step 6: Final answer
x = 74,532.67
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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.