Finding the Fourth Proportional to 68,612.85, 102,905.28 and 24,241.05
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Solution
The fourth proportional to 68,612.85, 102,905.28 and 24,241.05 is: 36,356.63
Step by Step Solution
- Step 1: Write the proportion equation
68,612.85 : 102,905.28 = 24,241.05 : x - Step 2: Convert to fraction form
68,612.85/102,905.28 = 24,241.05/x - Step 3: Cross multiply
68,612.85x = 102,905.28 × 24,241.05 - Step 4: Simplify right side
68,612.85x = 2,494,532,037.74 - Step 5: Solve for x
x = 2,494,532,037.74/68,612.85 - Step 6: Final answer
x = 36,356.63
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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.