Finding the Fourth Proportional to 126,647.87, 174,775.44 and 69,285.96
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Solution
The fourth proportional to 126,647.87, 174,775.44 and 69,285.96 is: 95,615.38
Step by Step Solution
- Step 1: Write the proportion equation
126,647.87 : 174,775.44 = 69,285.96 : x - Step 2: Convert to fraction form
126,647.87/174,775.44 = 69,285.96/x - Step 3: Cross multiply
126,647.87x = 174,775.44 × 69,285.96 - Step 4: Simplify right side
126,647.87x = 12,109,484,144.82 - Step 5: Solve for x
x = 12,109,484,144.82/126,647.87 - Step 6: Final answer
x = 95,615.38
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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.