Finding the Fourth Proportional to 87,747.36, 121,091.22 and 47,460.99
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Solution
The fourth proportional to 87,747.36, 121,091.22 and 47,460.99 is: 65,496.10
Step by Step Solution
- Step 1: Write the proportion equation
87,747.36 : 121,091.22 = 47,460.99 : x - Step 2: Convert to fraction form
87,747.36/121,091.22 = 47,460.99/x - Step 3: Cross multiply
87,747.36x = 121,091.22 × 47,460.99 - Step 4: Simplify right side
87,747.36x = 5,747,109,635.60 - Step 5: Solve for x
x = 5,747,109,635.60/87,747.36 - Step 6: Final answer
x = 65,496.10
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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.