Finding the Fourth Proportional to 71,170.12, 106,671.80 and 29,023.92
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Solution
The fourth proportional to 71,170.12, 106,671.80 and 29,023.92 is: 43,501.88
Step by Step Solution
- Step 1: Write the proportion equation
71,170.12 : 106,671.80 = 29,023.92 : x - Step 2: Convert to fraction form
71,170.12/106,671.80 = 29,023.92/x - Step 3: Cross multiply
71,170.12x = 106,671.80 × 29,023.92 - Step 4: Simplify right side
71,170.12x = 3,096,033,789.46 - Step 5: Solve for x
x = 3,096,033,789.46/71,170.12 - Step 6: Final answer
x = 43,501.88
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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.