Finding the Fourth Proportional to 73,523.75, 110,285.63 and 18,119.75
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Solution
The fourth proportional to 73,523.75, 110,285.63 and 18,119.75 is: 27,179.63
Step by Step Solution
- Step 1: Write the proportion equation
73,523.75 : 110,285.63 = 18,119.75 : x - Step 2: Convert to fraction form
73,523.75/110,285.63 = 18,119.75/x - Step 3: Cross multiply
73,523.75x = 110,285.63 × 18,119.75 - Step 4: Simplify right side
73,523.75x = 1,998,347,953.59 - Step 5: Solve for x
x = 1,998,347,953.59/73,523.75 - Step 6: Final answer
x = 27,179.63
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1.5x scale
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.