Finding the Fourth Proportional to 75,711.03, 104,479.84 and 41,722.65
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Solution
The fourth proportional to 75,711.03, 104,479.84 and 41,722.65 is: 57,576.50
Step by Step Solution
- Step 1: Write the proportion equation
75,711.03 : 104,479.84 = 41,722.65 : x - Step 2: Convert to fraction form
75,711.03/104,479.84 = 41,722.65/x - Step 3: Cross multiply
75,711.03x = 104,479.84 × 41,722.65 - Step 4: Simplify right side
75,711.03x = 4,359,175,796.38 - Step 5: Solve for x
x = 4,359,175,796.38/75,711.03 - Step 6: Final answer
x = 57,576.50
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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.