Finding the Fourth Proportional to 71,045.70, 106,560.04 and 55,266.49
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Solution
The fourth proportional to 71,045.70, 106,560.04 and 55,266.49 is: 82,893.12
Step by Step Solution
- Step 1: Write the proportion equation
71,045.70 : 106,560.04 = 55,266.49 : x - Step 2: Convert to fraction form
71,045.70/106,560.04 = 55,266.49/x - Step 3: Cross multiply
71,045.70x = 106,560.04 × 55,266.49 - Step 4: Simplify right side
71,045.70x = 5,889,199,385.06 - Step 5: Solve for x
x = 5,889,199,385.06/71,045.70 - Step 6: Final answer
x = 82,893.12
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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.