Finding the Fourth Proportional to 126,472.68, 174,531.06 and 69,882.84
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Solution
The fourth proportional to 126,472.68, 174,531.06 and 69,882.84 is: 96,437.63
Step by Step Solution
- Step 1: Write the proportion equation
126,472.68 : 174,531.06 = 69,882.84 : x - Step 2: Convert to fraction form
126,472.68/174,531.06 = 69,882.84/x - Step 3: Cross multiply
126,472.68x = 174,531.06 × 69,882.84 - Step 4: Simplify right side
126,472.68x = 12,196,726,141.01 - Step 5: Solve for x
x = 12,196,726,141.01/126,472.68 - Step 6: Final answer
x = 96,437.63
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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.