Finding the Fourth Proportional to 73,736.68, 101,756.46 and 40,202.68
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Solution
The fourth proportional to 73,736.68, 101,756.46 and 40,202.68 is: 55,479.61
Step by Step Solution
- Step 1: Write the proportion equation
73,736.68 : 101,756.46 = 40,202.68 : x - Step 2: Convert to fraction form
73,736.68/101,756.46 = 40,202.68/x - Step 3: Cross multiply
73,736.68x = 101,756.46 × 40,202.68 - Step 4: Simplify right side
73,736.68x = 4,090,882,399.31 - Step 5: Solve for x
x = 4,090,882,399.31/73,736.68 - Step 6: Final answer
x = 55,479.61
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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.