Finding the Fourth Proportional to 73,775.81, 101,810.62 and 40,241.81
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Solution
The fourth proportional to 73,775.81, 101,810.62 and 40,241.81 is: 55,533.70
Step by Step Solution
- Step 1: Write the proportion equation
73,775.81 : 101,810.62 = 40,241.81 : x - Step 2: Convert to fraction form
73,775.81/101,810.62 = 40,241.81/x - Step 3: Cross multiply
73,775.81x = 101,810.62 × 40,241.81 - Step 4: Simplify right side
73,775.81x = 4,097,043,930.85 - Step 5: Solve for x
x = 4,097,043,930.85/73,775.81 - Step 6: Final answer
x = 55,533.70
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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.