Finding the Fourth Proportional to 126,961.83, 175,209.09 and 69,606.54
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Solution
The fourth proportional to 126,961.83, 175,209.09 and 69,606.54 is: 96,057.99
Step by Step Solution
- Step 1: Write the proportion equation
126,961.83 : 175,209.09 = 69,606.54 : x - Step 2: Convert to fraction form
126,961.83/175,209.09 = 69,606.54/x - Step 3: Cross multiply
126,961.83x = 175,209.09 × 69,606.54 - Step 4: Simplify right side
126,961.83x = 12,195,698,531.45 - Step 5: Solve for x
x = 12,195,698,531.45/126,961.83 - Step 6: Final answer
x = 96,057.99
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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.