Finding the Fourth Proportional to 66,739.08, 100,141.41 and 31,202.84
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Solution
The fourth proportional to 66,739.08, 100,141.41 and 31,202.84 is: 46,819.58
Step by Step Solution
- Step 1: Write the proportion equation
66,739.08 : 100,141.41 = 31,202.84 : x - Step 2: Convert to fraction form
66,739.08/100,141.41 = 31,202.84/x - Step 3: Cross multiply
66,739.08x = 100,141.41 × 31,202.84 - Step 4: Simplify right side
66,739.08x = 3,124,695,892.90 - Step 5: Solve for x
x = 3,124,695,892.90/66,739.08 - Step 6: Final answer
x = 46,819.58
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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.