Finding the Fourth Proportional to 117,433.57, 162,053.97 and 63,717.44
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Solution
The fourth proportional to 117,433.57, 162,053.97 and 63,717.44 is: 87,927.69
Step by Step Solution
- Step 1: Write the proportion equation
117,433.57 : 162,053.97 = 63,717.44 : x - Step 2: Convert to fraction form
117,433.57/162,053.97 = 63,717.44/x - Step 3: Cross multiply
117,433.57x = 162,053.97 × 63,717.44 - Step 4: Simplify right side
117,433.57x = 10,325,663,061.03 - Step 5: Solve for x
x = 10,325,663,061.03/117,433.57 - Step 6: Final answer
x = 87,927.69
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1.5x scale
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.