Finding the Fourth Proportional to 73,771.81, 101,802.11 and 41,507.08
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Solution
The fourth proportional to 73,771.81, 101,802.11 and 41,507.08 is: 57,278.09
Step by Step Solution
- Step 1: Write the proportion equation
73,771.81 : 101,802.11 = 41,507.08 : x - Step 2: Convert to fraction form
73,771.81/101,802.11 = 41,507.08/x - Step 3: Cross multiply
73,771.81x = 101,802.11 × 41,507.08 - Step 4: Simplify right side
73,771.81x = 4,225,507,861.90 - Step 5: Solve for x
x = 4,225,507,861.90/73,771.81 - Step 6: Final answer
x = 57,278.09
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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.