Finding the Fourth Proportional to 73,561.60, 101,512.08 and 40,027.68
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Solution
The fourth proportional to 73,561.60, 101,512.08 and 40,027.68 is: 55,236.61
Step by Step Solution
- Step 1: Write the proportion equation
73,561.60 : 101,512.08 = 40,027.68 : x - Step 2: Convert to fraction form
73,561.60/101,512.08 = 40,027.68/x - Step 3: Cross multiply
73,561.60x = 101,512.08 × 40,027.68 - Step 4: Simplify right side
73,561.60x = 4,063,293,054.37 - Step 5: Solve for x
x = 4,063,293,054.37/73,561.60 - Step 6: Final answer
x = 55,236.61
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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.