Finding the Fourth Proportional to 86,792.07, 119,767.41 and 48,544.99
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Solution
The fourth proportional to 86,792.07, 119,767.41 and 48,544.99 is: 66,988.93
Step by Step Solution
- Step 1: Write the proportion equation
86,792.07 : 119,767.41 = 48,544.99 : x - Step 2: Convert to fraction form
86,792.07/119,767.41 = 48,544.99/x - Step 3: Cross multiply
86,792.07x = 119,767.41 × 48,544.99 - Step 4: Simplify right side
86,792.07x = 5,814,107,720.78 - Step 5: Solve for x
x = 5,814,107,720.78/86,792.07 - Step 6: Final answer
x = 66,988.93
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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.