Finding the Fourth Proportional to 70,771.11, 106,153.92 and 26,397.78
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Solution
The fourth proportional to 70,771.11, 106,153.92 and 26,397.78 is: 39,595.65
Step by Step Solution
- Step 1: Write the proportion equation
70,771.11 : 106,153.92 = 26,397.78 : x - Step 2: Convert to fraction form
70,771.11/106,153.92 = 26,397.78/x - Step 3: Cross multiply
70,771.11x = 106,153.92 × 26,397.78 - Step 4: Simplify right side
70,771.11x = 2,802,227,826.30 - Step 5: Solve for x
x = 2,802,227,826.30/70,771.11 - Step 6: Final answer
x = 39,595.65
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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.