Finding the Fourth Proportional to 73,660.92, 101,652.09 and 40,126.92
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Solution
The fourth proportional to 73,660.92, 101,652.09 and 40,126.92 is: 55,375.16
Step by Step Solution
- Step 1: Write the proportion equation
73,660.92 : 101,652.09 = 40,126.92 : x - Step 2: Convert to fraction form
73,660.92/101,652.09 = 40,126.92/x - Step 3: Cross multiply
73,660.92x = 101,652.09 × 40,126.92 - Step 4: Simplify right side
73,660.92x = 4,078,985,283.26 - Step 5: Solve for x
x = 4,078,985,283.26/73,660.92 - Step 6: Final answer
x = 55,375.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.