Finding the Fourth Proportional to 126,606.87, 174,711.74 and 69,243.48
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Solution
The fourth proportional to 126,606.87, 174,711.74 and 69,243.48 is: 95,552.86
Step by Step Solution
- Step 1: Write the proportion equation
126,606.87 : 174,711.74 = 69,243.48 : x - Step 2: Convert to fraction form
126,606.87/174,711.74 = 69,243.48/x - Step 3: Cross multiply
126,606.87x = 174,711.74 × 69,243.48 - Step 4: Simplify right side
126,606.87x = 12,097,648,528.24 - Step 5: Solve for x
x = 12,097,648,528.24/126,606.87 - Step 6: Final answer
x = 95,552.86
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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.