Finding the Fourth Proportional to 106,016.43, 159,024.51 and 27,130.68
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Solution
The fourth proportional to 106,016.43, 159,024.51 and 27,130.68 is: 40,695.99
Step by Step Solution
- Step 1: Write the proportion equation
106,016.43 : 159,024.51 = 27,130.68 : x - Step 2: Convert to fraction form
106,016.43/159,024.51 = 27,130.68/x - Step 3: Cross multiply
106,016.43x = 159,024.51 × 27,130.68 - Step 4: Simplify right side
106,016.43x = 4,314,443,092.97 - Step 5: Solve for x
x = 4,314,443,092.97/106,016.43 - Step 6: Final answer
x = 40,695.99
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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.