Finding the Fourth Proportional to 73,554.68, 101,505.66 and 40,020.68
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Solution
The fourth proportional to 73,554.68, 101,505.66 and 40,020.68 is: 55,228.65
Step by Step Solution
- Step 1: Write the proportion equation
73,554.68 : 101,505.66 = 40,020.68 : x - Step 2: Convert to fraction form
73,554.68/101,505.66 = 40,020.68/x - Step 3: Cross multiply
73,554.68x = 101,505.66 × 40,020.68 - Step 4: Simplify right side
73,554.68x = 4,062,325,537.05 - Step 5: Solve for x
x = 4,062,325,537.05/73,554.68 - Step 6: Final answer
x = 55,228.65
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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.