Finding the Fourth Proportional to 69,559.20, 104,319.36 and 27,996.48
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Solution
The fourth proportional to 69,559.20, 104,319.36 and 27,996.48 is: 41,986.90
Step by Step Solution
- Step 1: Write the proportion equation
69,559.20 : 104,319.36 = 27,996.48 : x - Step 2: Convert to fraction form
69,559.20/104,319.36 = 27,996.48/x - Step 3: Cross multiply
69,559.20x = 104,319.36 × 27,996.48 - Step 4: Simplify right side
69,559.20x = 2,920,574,875.85 - Step 5: Solve for x
x = 2,920,574,875.85/69,559.20 - Step 6: Final answer
x = 41,986.90
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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.