Finding the Fourth Proportional to 73,272.68, 101,116.34 and 39,738.68
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Solution
The fourth proportional to 73,272.68, 101,116.34 and 39,738.68 is: 54,839.40
Step by Step Solution
- Step 1: Write the proportion equation
73,272.68 : 101,116.34 = 39,738.68 : x - Step 2: Convert to fraction form
73,272.68/101,116.34 = 39,738.68/x - Step 3: Cross multiply
73,272.68x = 101,116.34 × 39,738.68 - Step 4: Simplify right side
73,272.68x = 4,018,229,878.03 - Step 5: Solve for x
x = 4,018,229,878.03/73,272.68 - Step 6: Final answer
x = 54,839.40
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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.