Finding the Fourth Proportional to 106,019.43, 159,029.01 and 27,133.68
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Solution
The fourth proportional to 106,019.43, 159,029.01 and 27,133.68 is: 40,700.49
Step by Step Solution
- Step 1: Write the proportion equation
106,019.43 : 159,029.01 = 27,133.68 : x - Step 2: Convert to fraction form
106,019.43/159,029.01 = 27,133.68/x - Step 3: Cross multiply
106,019.43x = 159,029.01 × 27,133.68 - Step 4: Simplify right side
106,019.43x = 4,315,042,268.06 - Step 5: Solve for x
x = 4,315,042,268.06/106,019.43 - Step 6: Final answer
x = 40,700.49
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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.