Finding the Fourth Proportional to 83,866.39, 125,812.00 and 27,712.43
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Solution
The fourth proportional to 83,866.39, 125,812.00 and 27,712.43 is: 41,572.75
Step by Step Solution
- Step 1: Write the proportion equation
83,866.39 : 125,812.00 = 27,712.43 : x - Step 2: Convert to fraction form
83,866.39/125,812.00 = 27,712.43/x - Step 3: Cross multiply
83,866.39x = 125,812.00 × 27,712.43 - Step 4: Simplify right side
83,866.39x = 3,486,556,120.54 - Step 5: Solve for x
x = 3,486,556,120.54/83,866.39 - Step 6: Final answer
x = 41,572.75
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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.