Finding the Fourth Proportional to 96,368.69, 132,984.47 and 53,349.80
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Solution
The fourth proportional to 96,368.69, 132,984.47 and 53,349.80 is: 73,620.32
Step by Step Solution
- Step 1: Write the proportion equation
96,368.69 : 132,984.47 = 53,349.80 : x - Step 2: Convert to fraction form
96,368.69/132,984.47 = 53,349.80/x - Step 3: Cross multiply
96,368.69x = 132,984.47 × 53,349.80 - Step 4: Simplify right side
96,368.69x = 7,094,694,346.06 - Step 5: Solve for x
x = 7,094,694,346.06/96,368.69 - Step 6: Final answer
x = 73,620.32
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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.