Finding the Fourth Proportional to 73,644.75, 101,630.84 and 40,110.75
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Solution
The fourth proportional to 73,644.75, 101,630.84 and 40,110.75 is: 55,353.42
Step by Step Solution
- Step 1: Write the proportion equation
73,644.75 : 101,630.84 = 40,110.75 : x - Step 2: Convert to fraction form
73,644.75/101,630.84 = 40,110.75/x - Step 3: Cross multiply
73,644.75x = 101,630.84 × 40,110.75 - Step 4: Simplify right side
73,644.75x = 4,076,489,014.98 - Step 5: Solve for x
x = 4,076,489,014.98/73,644.75 - Step 6: Final answer
x = 55,353.42
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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.