Finding the Fourth Proportional to 84,325.87, 126,195.38 and 52,289.96
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Solution
The fourth proportional to 84,325.87, 126,195.38 and 52,289.96 is: 78,252.99
Step by Step Solution
- Step 1: Write the proportion equation
84,325.87 : 126,195.38 = 52,289.96 : x - Step 2: Convert to fraction form
84,325.87/126,195.38 = 52,289.96/x - Step 3: Cross multiply
84,325.87x = 126,195.38 × 52,289.96 - Step 4: Simplify right side
84,325.87x = 6,598,751,426.42 - Step 5: Solve for x
x = 6,598,751,426.42/84,325.87 - Step 6: Final answer
x = 78,252.99
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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.