Finding the Fourth Proportional to 106,637.21, 159,939.41 and 35,561.09
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Solution
The fourth proportional to 106,637.21, 159,939.41 and 35,561.09 is: 53,336.16
Step by Step Solution
- Step 1: Write the proportion equation
106,637.21 : 159,939.41 = 35,561.09 : x - Step 2: Convert to fraction form
106,637.21/159,939.41 = 35,561.09/x - Step 3: Cross multiply
106,637.21x = 159,939.41 × 35,561.09 - Step 4: Simplify right side
106,637.21x = 5,687,618,776.05 - Step 5: Solve for x
x = 5,687,618,776.05/106,637.21 - Step 6: Final answer
x = 53,336.16
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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.