Finding the Fourth Proportional to 67,212.91, 100,748.85 and 25,075.99
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Solution
The fourth proportional to 67,212.91, 100,748.85 and 25,075.99 is: 37,587.68
Step by Step Solution
- Step 1: Write the proportion equation
67,212.91 : 100,748.85 = 25,075.99 : x - Step 2: Convert to fraction form
67,212.91/100,748.85 = 25,075.99/x - Step 3: Cross multiply
67,212.91x = 100,748.85 × 25,075.99 - Step 4: Simplify right side
67,212.91x = 2,526,377,155.11 - Step 5: Solve for x
x = 2,526,377,155.11/67,212.91 - Step 6: Final answer
x = 37,587.68
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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.