Finding the Fourth Proportional to 74,771.68, 112,179.18 and 24,169.63
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Solution
The fourth proportional to 74,771.68, 112,179.18 and 24,169.63 is: 36,261.45
Step by Step Solution
- Step 1: Write the proportion equation
74,771.68 : 112,179.18 = 24,169.63 : x - Step 2: Convert to fraction form
74,771.68/112,179.18 = 24,169.63/x - Step 3: Cross multiply
74,771.68x = 112,179.18 × 24,169.63 - Step 4: Simplify right side
74,771.68x = 2,711,329,274.30 - Step 5: Solve for x
x = 2,711,329,274.30/74,771.68 - Step 6: Final answer
x = 36,261.45
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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.