Finding the Fourth Proportional to 86,917.40, 130,374.99 and 27,752.32
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Solution
The fourth proportional to 86,917.40, 130,374.99 and 27,752.32 is: 41,628.12
Step by Step Solution
- Step 1: Write the proportion equation
86,917.40 : 130,374.99 = 27,752.32 : x - Step 2: Convert to fraction form
86,917.40/130,374.99 = 27,752.32/x - Step 3: Cross multiply
86,917.40x = 130,374.99 × 27,752.32 - Step 4: Simplify right side
86,917.40x = 3,618,207,859.98 - Step 5: Solve for x
x = 3,618,207,859.98/86,917.40 - Step 6: Final answer
x = 41,628.12
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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.