Finding the Fourth Proportional to 86,917.15, 130,374.62 and 27,752.07
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Solution
The fourth proportional to 86,917.15, 130,374.62 and 27,752.07 is: 41,627.75
Step by Step Solution
- Step 1: Write the proportion equation
86,917.15 : 130,374.62 = 27,752.07 : x - Step 2: Convert to fraction form
86,917.15/130,374.62 = 27,752.07/x - Step 3: Cross multiply
86,917.15x = 130,374.62 × 27,752.07 - Step 4: Simplify right side
86,917.15x = 3,618,164,859.21 - Step 5: Solve for x
x = 3,618,164,859.21/86,917.15 - Step 6: Final answer
x = 41,627.75
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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.