Finding the Fourth Proportional to 71,266.80, 106,937.12 and 51,706.80
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Solution
The fourth proportional to 71,266.80, 106,937.12 and 51,706.80 is: 77,586.99
Step by Step Solution
- Step 1: Write the proportion equation
71,266.80 : 106,937.12 = 51,706.80 : x - Step 2: Convert to fraction form
71,266.80/106,937.12 = 51,706.80/x - Step 3: Cross multiply
71,266.80x = 106,937.12 × 51,706.80 - Step 4: Simplify right side
71,266.80x = 5,529,376,276.42 - Step 5: Solve for x
x = 5,529,376,276.42/71,266.80 - Step 6: Final answer
x = 77,586.99
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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.