Finding the Fourth Proportional to 71,396.43, 107,093.85 and 29,267.10
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Solution
The fourth proportional to 71,396.43, 107,093.85 and 29,267.10 is: 43,900.32
Step by Step Solution
- Step 1: Write the proportion equation
71,396.43 : 107,093.85 = 29,267.10 : x - Step 2: Convert to fraction form
71,396.43/107,093.85 = 29,267.10/x - Step 3: Cross multiply
71,396.43x = 107,093.85 × 29,267.10 - Step 4: Simplify right side
71,396.43x = 3,134,326,417.34 - Step 5: Solve for x
x = 3,134,326,417.34/71,396.43 - Step 6: Final answer
x = 43,900.32
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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.