Finding the Fourth Proportional to 73,601.64, 101,568.64 and 42,979.99
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Solution
The fourth proportional to 73,601.64, 101,568.64 and 42,979.99 is: 59,311.44
Step by Step Solution
- Step 1: Write the proportion equation
73,601.64 : 101,568.64 = 42,979.99 : x - Step 2: Convert to fraction form
73,601.64/101,568.64 = 42,979.99/x - Step 3: Cross multiply
73,601.64x = 101,568.64 × 42,979.99 - Step 4: Simplify right side
73,601.64x = 4,365,419,131.51 - Step 5: Solve for x
x = 4,365,419,131.51/73,601.64 - Step 6: Final answer
x = 59,311.44
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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.