Finding the Fourth Proportional to 83,956.44, 115,662.77 and 58,418.95
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Solution
The fourth proportional to 83,956.44, 115,662.77 and 58,418.95 is: 80,480.99
Step by Step Solution
- Step 1: Write the proportion equation
83,956.44 : 115,662.77 = 58,418.95 : x - Step 2: Convert to fraction form
83,956.44/115,662.77 = 58,418.95/x - Step 3: Cross multiply
83,956.44x = 115,662.77 × 58,418.95 - Step 4: Simplify right side
83,956.44x = 6,756,897,353.33 - Step 5: Solve for x
x = 6,756,897,353.33/83,956.44 - Step 6: Final answer
x = 80,480.99
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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.