Finding the Fourth Proportional to 86,983.07, 130,479.73 and 27,814.12
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Solution
The fourth proportional to 86,983.07, 130,479.73 and 27,814.12 is: 41,722.82
Step by Step Solution
- Step 1: Write the proportion equation
86,983.07 : 130,479.73 = 27,814.12 : x - Step 2: Convert to fraction form
86,983.07/130,479.73 = 27,814.12/x - Step 3: Cross multiply
86,983.07x = 130,479.73 × 27,814.12 - Step 4: Simplify right side
86,983.07x = 3,629,178,472.05 - Step 5: Solve for x
x = 3,629,178,472.05/86,983.07 - Step 6: Final answer
x = 41,722.82
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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.