Finding the Fourth Proportional to 79,925.44, 119,787.36 and 40,492.48
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Solution
The fourth proportional to 79,925.44, 119,787.36 and 40,492.48 is: 60,687.65
Step by Step Solution
- Step 1: Write the proportion equation
79,925.44 : 119,787.36 = 40,492.48 : x - Step 2: Convert to fraction form
79,925.44/119,787.36 = 40,492.48/x - Step 3: Cross multiply
79,925.44x = 119,787.36 × 40,492.48 - Step 4: Simplify right side
79,925.44x = 4,850,487,279.05 - Step 5: Solve for x
x = 4,850,487,279.05/79,925.44 - Step 6: Final answer
x = 60,687.65
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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.