Finding the Fourth Proportional to 73,342.62, 101,213.01 and 39,808.62
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Solution
The fourth proportional to 73,342.62, 101,213.01 and 39,808.62 is: 54,936.00
Step by Step Solution
- Step 1: Write the proportion equation
73,342.62 : 101,213.01 = 39,808.62 : x - Step 2: Convert to fraction form
73,342.62/101,213.01 = 39,808.62/x - Step 3: Cross multiply
73,342.62x = 101,213.01 × 39,808.62 - Step 4: Simplify right side
73,342.62x = 4,029,150,254.15 - Step 5: Solve for x
x = 4,029,150,254.15/73,342.62 - Step 6: Final answer
x = 54,936.00
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1.5x scale
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.