Finding the Fourth Proportional to 84,698.62, 126,878.52 and 50,945.99
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Solution
The fourth proportional to 84,698.62, 126,878.52 and 50,945.99 is: 76,317.09
Step by Step Solution
- Step 1: Write the proportion equation
84,698.62 : 126,878.52 = 50,945.99 : x - Step 2: Convert to fraction form
84,698.62/126,878.52 = 50,945.99/x - Step 3: Cross multiply
84,698.62x = 126,878.52 × 50,945.99 - Step 4: Simplify right side
84,698.62x = 6,463,951,937.28 - Step 5: Solve for x
x = 6,463,951,937.28/84,698.62 - Step 6: Final answer
x = 76,317.09
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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.