Finding the Fourth Proportional to 75,277.98, 112,884.15 and 25,344.66
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Solution
The fourth proportional to 75,277.98, 112,884.15 and 25,344.66 is: 38,005.94
Step by Step Solution
- Step 1: Write the proportion equation
75,277.98 : 112,884.15 = 25,344.66 : x - Step 2: Convert to fraction form
75,277.98/112,884.15 = 25,344.66/x - Step 3: Cross multiply
75,277.98x = 112,884.15 × 25,344.66 - Step 4: Simplify right side
75,277.98x = 2,861,010,401.14 - Step 5: Solve for x
x = 2,861,010,401.14/75,277.98 - Step 6: Final answer
x = 38,005.94
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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.