Finding the Fourth Proportional to 71,154.44, 106,484.09 and 44,124.15
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Solution
The fourth proportional to 71,154.44, 106,484.09 and 44,124.15 is: 66,032.70
Step by Step Solution
- Step 1: Write the proportion equation
71,154.44 : 106,484.09 = 44,124.15 : x - Step 2: Convert to fraction form
71,154.44/106,484.09 = 44,124.15/x - Step 3: Cross multiply
71,154.44x = 106,484.09 × 44,124.15 - Step 4: Simplify right side
71,154.44x = 4,698,520,138.47 - Step 5: Solve for x
x = 4,698,520,138.47/71,154.44 - Step 6: Final answer
x = 66,032.70
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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.