Finding the Fourth Proportional to 73,725.18, 101,740.80 and 40,191.18
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Solution
The fourth proportional to 73,725.18, 101,740.80 and 40,191.18 is: 55,463.86
Step by Step Solution
- Step 1: Write the proportion equation
73,725.18 : 101,740.80 = 40,191.18 : x - Step 2: Convert to fraction form
73,725.18/101,740.80 = 40,191.18/x - Step 3: Cross multiply
73,725.18x = 101,740.80 × 40,191.18 - Step 4: Simplify right side
73,725.18x = 4,089,082,806.14 - Step 5: Solve for x
x = 4,089,082,806.14/73,725.18 - Step 6: Final answer
x = 55,463.86
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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.