Finding the Fourth Proportional to 79,007.81, 109,028.68 and 46,744.09
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Solution
The fourth proportional to 79,007.81, 109,028.68 and 46,744.09 is: 64,505.60
Step by Step Solution
- Step 1: Write the proportion equation
79,007.81 : 109,028.68 = 46,744.09 : x - Step 2: Convert to fraction form
79,007.81/109,028.68 = 46,744.09/x - Step 3: Cross multiply
79,007.81x = 109,028.68 × 46,744.09 - Step 4: Simplify right side
79,007.81x = 5,096,446,041.07 - Step 5: Solve for x
x = 5,096,446,041.07/79,007.81 - Step 6: Final answer
x = 64,505.60
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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.