Finding the Fourth Proportional to 83,935.97, 115,841.63 and 48,125.87
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Solution
The fourth proportional to 83,935.97, 115,841.63 and 48,125.87 is: 66,419.43
Step by Step Solution
- Step 1: Write the proportion equation
83,935.97 : 115,841.63 = 48,125.87 : x - Step 2: Convert to fraction form
83,935.97/115,841.63 = 48,125.87/x - Step 3: Cross multiply
83,935.97x = 115,841.63 × 48,125.87 - Step 4: Simplify right side
83,935.97x = 5,574,978,767.07 - Step 5: Solve for x
x = 5,574,978,767.07/83,935.97 - Step 6: Final answer
x = 66,419.43
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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.