Finding the Fourth Proportional to 71,320.10, 107,056.95 and 40,216.10
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Solution
The fourth proportional to 71,320.10, 107,056.95 and 40,216.10 is: 60,367.46
Step by Step Solution
- Step 1: Write the proportion equation
71,320.10 : 107,056.95 = 40,216.10 : x - Step 2: Convert to fraction form
71,320.10/107,056.95 = 40,216.10/x - Step 3: Cross multiply
71,320.10x = 107,056.95 × 40,216.10 - Step 4: Simplify right side
71,320.10x = 4,305,413,006.90 - Step 5: Solve for x
x = 4,305,413,006.90/71,320.10 - Step 6: Final answer
x = 60,367.46
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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.