Finding the Fourth Proportional to 86,027.96, 118,714.57 and 47,789.99
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Solution
The fourth proportional to 86,027.96, 118,714.57 and 47,789.99 is: 65,947.96
Step by Step Solution
- Step 1: Write the proportion equation
86,027.96 : 118,714.57 = 47,789.99 : x - Step 2: Convert to fraction form
86,027.96/118,714.57 = 47,789.99/x - Step 3: Cross multiply
86,027.96x = 118,714.57 × 47,789.99 - Step 4: Simplify right side
86,027.96x = 5,673,368,113.15 - Step 5: Solve for x
x = 5,673,368,113.15/86,027.96 - Step 6: Final answer
x = 65,947.96
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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.