Finding the Fourth Proportional to 126,497.75, 174,564.56 and 69,907.91
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Solution
The fourth proportional to 126,497.75, 174,564.56 and 69,907.91 is: 96,471.62
Step by Step Solution
- Step 1: Write the proportion equation
126,497.75 : 174,564.56 = 69,907.91 : x - Step 2: Convert to fraction form
126,497.75/174,564.56 = 69,907.91/x - Step 3: Cross multiply
126,497.75x = 174,564.56 × 69,907.91 - Step 4: Simplify right side
126,497.75x = 12,203,443,200.13 - Step 5: Solve for x
x = 12,203,443,200.13/126,497.75 - Step 6: Final answer
x = 96,471.62
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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.