Finding the Fourth Proportional to 73,792.10, 110,688.15 and 29,425.70
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Solution
The fourth proportional to 73,792.10, 110,688.15 and 29,425.70 is: 44,138.55
Step by Step Solution
- Step 1: Write the proportion equation
73,792.10 : 110,688.15 = 29,425.70 : x - Step 2: Convert to fraction form
73,792.10/110,688.15 = 29,425.70/x - Step 3: Cross multiply
73,792.10x = 110,688.15 × 29,425.70 - Step 4: Simplify right side
73,792.10x = 3,257,076,295.46 - Step 5: Solve for x
x = 3,257,076,295.46/73,792.10 - Step 6: Final answer
x = 44,138.55
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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.