Finding the Fourth Proportional to 83,843.06, 115,669.29 and 47,536.87
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Solution
The fourth proportional to 83,843.06, 115,669.29 and 47,536.87 is: 65,581.52
Step by Step Solution
- Step 1: Write the proportion equation
83,843.06 : 115,669.29 = 47,536.87 : x - Step 2: Convert to fraction form
83,843.06/115,669.29 = 47,536.87/x - Step 3: Cross multiply
83,843.06x = 115,669.29 × 47,536.87 - Step 4: Simplify right side
83,843.06x = 5,498,555,712.55 - Step 5: Solve for x
x = 5,498,555,712.55/83,843.06 - Step 6: Final answer
x = 65,581.52
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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.