Finding the Fourth Proportional to 126,772.74, 174,949.07 and 69,414.48
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Solution
The fourth proportional to 126,772.74, 174,949.07 and 69,414.48 is: 95,793.45
Step by Step Solution
- Step 1: Write the proportion equation
126,772.74 : 174,949.07 = 69,414.48 : x - Step 2: Convert to fraction form
126,772.74/174,949.07 = 69,414.48/x - Step 3: Cross multiply
126,772.74x = 174,949.07 × 69,414.48 - Step 4: Simplify right side
126,772.74x = 12,143,998,373.46 - Step 5: Solve for x
x = 12,143,998,373.46/126,772.74 - Step 6: Final answer
x = 95,793.45
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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.