Finding the Fourth Proportional to 66,740.87, 100,135.91 and 35,149.65
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Solution
The fourth proportional to 66,740.87, 100,135.91 and 35,149.65 is: 52,737.43
Step by Step Solution
- Step 1: Write the proportion equation
66,740.87 : 100,135.91 = 35,149.65 : x - Step 2: Convert to fraction form
66,740.87/100,135.91 = 35,149.65/x - Step 3: Cross multiply
66,740.87x = 100,135.91 × 35,149.65 - Step 4: Simplify right side
66,740.87x = 3,519,742,013.18 - Step 5: Solve for x
x = 3,519,742,013.18/66,740.87 - Step 6: Final answer
x = 52,737.43
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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.