Finding the Fourth Proportional to 84,464.58, 126,697.74 and 34,510.56
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Solution
The fourth proportional to 84,464.58, 126,697.74 and 34,510.56 is: 51,766.20
Step by Step Solution
- Step 1: Write the proportion equation
84,464.58 : 126,697.74 = 34,510.56 : x - Step 2: Convert to fraction form
84,464.58/126,697.74 = 34,510.56/x - Step 3: Cross multiply
84,464.58x = 126,697.74 × 34,510.56 - Step 4: Simplify right side
84,464.58x = 4,372,409,958.13 - Step 5: Solve for x
x = 4,372,409,958.13/84,464.58 - Step 6: Final answer
x = 51,766.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.