Finding the Fourth Proportional to 84,136.92, 126,207.20 and 24,976.74
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Solution
The fourth proportional to 84,136.92, 126,207.20 and 24,976.74 is: 37,465.65
Step by Step Solution
- Step 1: Write the proportion equation
84,136.92 : 126,207.20 = 24,976.74 : x - Step 2: Convert to fraction form
84,136.92/126,207.20 = 24,976.74/x - Step 3: Cross multiply
84,136.92x = 126,207.20 × 24,976.74 - Step 4: Simplify right side
84,136.92x = 3,152,244,420.53 - Step 5: Solve for x
x = 3,152,244,420.53/84,136.92 - Step 6: Final answer
x = 37,465.65
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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.