Finding the Fourth Proportional to 85,471.97, 117,950.66 and 47,234.09
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Solution
The fourth proportional to 85,471.97, 117,950.66 and 47,234.09 is: 65,182.67
Step by Step Solution
- Step 1: Write the proportion equation
85,471.97 : 117,950.66 = 47,234.09 : x - Step 2: Convert to fraction form
85,471.97/117,950.66 = 47,234.09/x - Step 3: Cross multiply
85,471.97x = 117,950.66 × 47,234.09 - Step 4: Simplify right side
85,471.97x = 5,571,291,264.08 - Step 5: Solve for x
x = 5,571,291,264.08/85,471.97 - Step 6: Final answer
x = 65,182.67
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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.