Finding the Fourth Proportional to 69,954.12, 104,892.30 and 27,830.88
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Solution
The fourth proportional to 69,954.12, 104,892.30 and 27,830.88 is: 41,730.85
Step by Step Solution
- Step 1: Write the proportion equation
69,954.12 : 104,892.30 = 27,830.88 : x - Step 2: Convert to fraction form
69,954.12/104,892.30 = 27,830.88/x - Step 3: Cross multiply
69,954.12x = 104,892.30 × 27,830.88 - Step 4: Simplify right side
69,954.12x = 2,919,245,014.22 - Step 5: Solve for x
x = 2,919,245,014.22/69,954.12 - Step 6: Final answer
x = 41,730.85
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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.