Finding the Fourth Proportional to 103,964.13, 155,965.41 and 32,904.68
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Solution
The fourth proportional to 103,964.13, 155,965.41 and 32,904.68 is: 49,363.09
Step by Step Solution
- Step 1: Write the proportion equation
103,964.13 : 155,965.41 = 32,904.68 : x - Step 2: Convert to fraction form
103,964.13/155,965.41 = 32,904.68/x - Step 3: Cross multiply
103,964.13x = 155,965.41 × 32,904.68 - Step 4: Simplify right side
103,964.13x = 5,131,991,127.29 - Step 5: Solve for x
x = 5,131,991,127.29/103,964.13 - Step 6: Final answer
x = 49,363.09
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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.