Finding the Fourth Proportional to 96,157.97, 132,698.05 and 53,716.50
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Solution
The fourth proportional to 96,157.97, 132,698.05 and 53,716.50 is: 74,128.80
Step by Step Solution
- Step 1: Write the proportion equation
96,157.97 : 132,698.05 = 53,716.50 : x - Step 2: Convert to fraction form
96,157.97/132,698.05 = 53,716.50/x - Step 3: Cross multiply
96,157.97x = 132,698.05 × 53,716.50 - Step 4: Simplify right side
96,157.97x = 7,128,074,668.53 - Step 5: Solve for x
x = 7,128,074,668.53/96,157.97 - Step 6: Final answer
x = 74,128.80
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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.