Finding the Fourth Proportional to 73,609.56, 110,412.01 and 21,018.99
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Solution
The fourth proportional to 73,609.56, 110,412.01 and 21,018.99 is: 31,527.83
Step by Step Solution
- Step 1: Write the proportion equation
73,609.56 : 110,412.01 = 21,018.99 : x - Step 2: Convert to fraction form
73,609.56/110,412.01 = 21,018.99/x - Step 3: Cross multiply
73,609.56x = 110,412.01 × 21,018.99 - Step 4: Simplify right side
73,609.56x = 2,320,749,374.39 - Step 5: Solve for x
x = 2,320,749,374.39/73,609.56 - Step 6: Final answer
x = 31,527.83
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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.