Finding the Fourth Proportional to 117,479.43, 162,121.75 and 63,764.44
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Solution
The fourth proportional to 117,479.43, 162,121.75 and 63,764.44 is: 87,995.00
Step by Step Solution
- Step 1: Write the proportion equation
117,479.43 : 162,121.75 = 63,764.44 : x - Step 2: Convert to fraction form
117,479.43/162,121.75 = 63,764.44/x - Step 3: Cross multiply
117,479.43x = 162,121.75 × 63,764.44 - Step 4: Simplify right side
117,479.43x = 10,337,602,035.85 - Step 5: Solve for x
x = 10,337,602,035.85/117,479.43 - Step 6: Final answer
x = 87,995.00
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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.