Finding the Fourth Proportional to 126,568.24, 174,666.36 and 69,979.84
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Solution
The fourth proportional to 126,568.24, 174,666.36 and 69,979.84 is: 96,573.39
Step by Step Solution
- Step 1: Write the proportion equation
126,568.24 : 174,666.36 = 69,979.84 : x - Step 2: Convert to fraction form
126,568.24/174,666.36 = 69,979.84/x - Step 3: Cross multiply
126,568.24x = 174,666.36 × 69,979.84 - Step 4: Simplify right side
126,568.24x = 12,223,123,926.18 - Step 5: Solve for x
x = 12,223,123,926.18/126,568.24 - Step 6: Final answer
x = 96,573.39
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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.