Finding the Fourth Proportional to 71,357.58, 107,102.79 and 36,323.46
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Solution
The fourth proportional to 71,357.58, 107,102.79 and 36,323.46 is: 54,519.00
Step by Step Solution
- Step 1: Write the proportion equation
71,357.58 : 107,102.79 = 36,323.46 : x - Step 2: Convert to fraction form
71,357.58/107,102.79 = 36,323.46/x - Step 3: Cross multiply
71,357.58x = 107,102.79 × 36,323.46 - Step 4: Simplify right side
71,357.58x = 3,890,343,908.45 - Step 5: Solve for x
x = 3,890,343,908.45/71,357.58 - Step 6: Final answer
x = 54,519.00
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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.