Finding the Fourth Proportional to 73,659.38, 101,649.97 and 40,125.38
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Solution
The fourth proportional to 73,659.38, 101,649.97 and 40,125.38 is: 55,373.04
Step by Step Solution
- Step 1: Write the proportion equation
73,659.38 : 101,649.97 = 40,125.38 : x - Step 2: Convert to fraction form
73,659.38/101,649.97 = 40,125.38/x - Step 3: Cross multiply
73,659.38x = 101,649.97 × 40,125.38 - Step 4: Simplify right side
73,659.38x = 4,078,743,673.24 - Step 5: Solve for x
x = 4,078,743,673.24/73,659.38 - Step 6: Final answer
x = 55,373.04
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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.