Finding the Fourth Proportional to 79,668.84, 119,577.11 and 40,253.66
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Solution
The fourth proportional to 79,668.84, 119,577.11 and 40,253.66 is: 60,417.80
Step by Step Solution
- Step 1: Write the proportion equation
79,668.84 : 119,577.11 = 40,253.66 : x - Step 2: Convert to fraction form
79,668.84/119,577.11 = 40,253.66/x - Step 3: Cross multiply
79,668.84x = 119,577.11 × 40,253.66 - Step 4: Simplify right side
79,668.84x = 4,813,416,329.72 - Step 5: Solve for x
x = 4,813,416,329.72/79,668.84 - Step 6: Final answer
x = 60,417.80
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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.