Finding the Fourth Proportional to 91,325.67, 126,026.97 and 51,039.75
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Solution
The fourth proportional to 91,325.67, 126,026.97 and 51,039.75 is: 70,433.48
Step by Step Solution
- Step 1: Write the proportion equation
91,325.67 : 126,026.97 = 51,039.75 : x - Step 2: Convert to fraction form
91,325.67/126,026.97 = 51,039.75/x - Step 3: Cross multiply
91,325.67x = 126,026.97 × 51,039.75 - Step 4: Simplify right side
91,325.67x = 6,432,385,042.06 - Step 5: Solve for x
x = 6,432,385,042.06/91,325.67 - Step 6: Final answer
x = 70,433.48
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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.