Finding the Fourth Proportional to 106,020.43, 159,030.51 and 27,134.68
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Solution
The fourth proportional to 106,020.43, 159,030.51 and 27,134.68 is: 40,701.99
Step by Step Solution
- Step 1: Write the proportion equation
106,020.43 : 159,030.51 = 27,134.68 : x - Step 2: Convert to fraction form
106,020.43/159,030.51 = 27,134.68/x - Step 3: Cross multiply
106,020.43x = 159,030.51 × 27,134.68 - Step 4: Simplify right side
106,020.43x = 4,315,241,999.09 - Step 5: Solve for x
x = 4,315,241,999.09/106,020.43 - Step 6: Final answer
x = 40,701.99
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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.