Finding the Fourth Proportional to 86,997.36, 130,494.26 and 27,833.02
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Solution
The fourth proportional to 86,997.36, 130,494.26 and 27,833.02 is: 41,748.96
Step by Step Solution
- Step 1: Write the proportion equation
86,997.36 : 130,494.26 = 27,833.02 : x - Step 2: Convert to fraction form
86,997.36/130,494.26 = 27,833.02/x - Step 3: Cross multiply
86,997.36x = 130,494.26 × 27,833.02 - Step 4: Simplify right side
86,997.36x = 3,632,049,348.47 - Step 5: Solve for x
x = 3,632,049,348.47/86,997.36 - Step 6: Final answer
x = 41,748.96
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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.