Finding the Fourth Proportional to 73,910.75, 101,996.84 and 40,376.75
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Solution
The fourth proportional to 73,910.75, 101,996.84 and 40,376.75 is: 55,719.92
Step by Step Solution
- Step 1: Write the proportion equation
73,910.75 : 101,996.84 = 40,376.75 : x - Step 2: Convert to fraction form
73,910.75/101,996.84 = 40,376.75/x - Step 3: Cross multiply
73,910.75x = 101,996.84 × 40,376.75 - Step 4: Simplify right side
73,910.75x = 4,118,300,909.47 - Step 5: Solve for x
x = 4,118,300,909.47/73,910.75 - Step 6: Final answer
x = 55,719.92
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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.