Finding the Fourth Proportional to 79,907.48, 119,934.84 and 40,492.52
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Solution
The fourth proportional to 79,907.48, 119,934.84 and 40,492.52 is: 60,776.09
Step by Step Solution
- Step 1: Write the proportion equation
79,907.48 : 119,934.84 = 40,492.52 : x - Step 2: Convert to fraction form
79,907.48/119,934.84 = 40,492.52/x - Step 3: Cross multiply
79,907.48x = 119,934.84 × 40,492.52 - Step 4: Simplify right side
79,907.48x = 4,856,463,907.40 - Step 5: Solve for x
x = 4,856,463,907.40/79,907.48 - Step 6: Final answer
x = 60,776.09
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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.