Finding the Fourth Proportional to 107,973.36, 161,968.14 and 48,842.28
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Solution
The fourth proportional to 107,973.36, 161,968.14 and 48,842.28 is: 73,267.08
Step by Step Solution
- Step 1: Write the proportion equation
107,973.36 : 161,968.14 = 48,842.28 : x - Step 2: Convert to fraction form
107,973.36/161,968.14 = 48,842.28/x - Step 3: Cross multiply
107,973.36x = 161,968.14 × 48,842.28 - Step 4: Simplify right side
107,973.36x = 7,910,893,244.96 - Step 5: Solve for x
x = 7,910,893,244.96/107,973.36 - Step 6: Final answer
x = 73,267.08
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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.