Finding the Fourth Proportional to 117,021.75, 175,539.91 and 46,891.95
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Solution
The fourth proportional to 117,021.75, 175,539.91 and 46,891.95 is: 70,340.84
Step by Step Solution
- Step 1: Write the proportion equation
117,021.75 : 175,539.91 = 46,891.95 : x - Step 2: Convert to fraction form
117,021.75/175,539.91 = 46,891.95/x - Step 3: Cross multiply
117,021.75x = 175,539.91 × 46,891.95 - Step 4: Simplify right side
117,021.75x = 8,231,408,565.49 - Step 5: Solve for x
x = 8,231,408,565.49/117,021.75 - Step 6: Final answer
x = 70,340.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.