Finding the Fourth Proportional to 126,511.70, 174,586.17 and 69,923.07
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Solution
The fourth proportional to 126,511.70, 174,586.17 and 69,923.07 is: 96,493.85
Step by Step Solution
- Step 1: Write the proportion equation
126,511.70 : 174,586.17 = 69,923.07 : x - Step 2: Convert to fraction form
126,511.70/174,586.17 = 69,923.07/x - Step 3: Cross multiply
126,511.70x = 174,586.17 × 69,923.07 - Step 4: Simplify right side
126,511.70x = 12,207,600,985.94 - Step 5: Solve for x
x = 12,207,600,985.94/126,511.70 - Step 6: Final answer
x = 96,493.85
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1.5x scale
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.