Finding the Fourth Proportional to 84,027.78, 115,798.68 and 60,112.94
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Solution
The fourth proportional to 84,027.78, 115,798.68 and 60,112.94 is: 82,841.63
Step by Step Solution
- Step 1: Write the proportion equation
84,027.78 : 115,798.68 = 60,112.94 : x - Step 2: Convert to fraction form
84,027.78/115,798.68 = 60,112.94/x - Step 3: Cross multiply
84,027.78x = 115,798.68 × 60,112.94 - Step 4: Simplify right side
84,027.78x = 6,960,998,523.93 - Step 5: Solve for x
x = 6,960,998,523.93/84,027.78 - Step 6: Final answer
x = 82,841.63
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1.5x scale
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.