Finding the Fourth Proportional to 69,770.06, 104,628.36 and 44,775.08
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Solution
The fourth proportional to 69,770.06, 104,628.36 and 44,775.08 is: 67,145.47
Step by Step Solution
- Step 1: Write the proportion equation
69,770.06 : 104,628.36 = 44,775.08 : x - Step 2: Convert to fraction form
69,770.06/104,628.36 = 44,775.08/x - Step 3: Cross multiply
69,770.06x = 104,628.36 × 44,775.08 - Step 4: Simplify right side
69,770.06x = 4,684,743,189.27 - Step 5: Solve for x
x = 4,684,743,189.27/69,770.06 - Step 6: Final answer
x = 67,145.47
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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.