Finding the Fourth Proportional to 127,281.62, 175,651.79 and 69,926.65
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Solution
The fourth proportional to 127,281.62, 175,651.79 and 69,926.65 is: 96,500.50
Step by Step Solution
- Step 1: Write the proportion equation
127,281.62 : 175,651.79 = 69,926.65 : x - Step 2: Convert to fraction form
127,281.62/175,651.79 = 69,926.65/x - Step 3: Cross multiply
127,281.62x = 175,651.79 × 69,926.65 - Step 4: Simplify right side
127,281.62x = 12,282,740,452.44 - Step 5: Solve for x
x = 12,282,740,452.44/127,281.62 - Step 6: Final answer
x = 96,500.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.