Finding the Fourth Proportional to 71,500.69, 107,184.83 and 26,496.99
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Solution
The fourth proportional to 71,500.69, 107,184.83 and 26,496.99 is: 39,720.95
Step by Step Solution
- Step 1: Write the proportion equation
71,500.69 : 107,184.83 = 26,496.99 : x - Step 2: Convert to fraction form
71,500.69/107,184.83 = 26,496.99/x - Step 3: Cross multiply
71,500.69x = 107,184.83 × 26,496.99 - Step 4: Simplify right side
71,500.69x = 2,840,075,368.66 - Step 5: Solve for x
x = 2,840,075,368.66/71,500.69 - Step 6: Final answer
x = 39,720.95
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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.