Finding the Fourth Proportional to 84,686.51, 116,858.97 and 48,888.05
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Solution
The fourth proportional to 84,686.51, 116,858.97 and 48,888.05 is: 67,460.65
Step by Step Solution
- Step 1: Write the proportion equation
84,686.51 : 116,858.97 = 48,888.05 : x - Step 2: Convert to fraction form
84,686.51/116,858.97 = 48,888.05/x - Step 3: Cross multiply
84,686.51x = 116,858.97 × 48,888.05 - Step 4: Simplify right side
84,686.51x = 5,713,007,168.31 - Step 5: Solve for x
x = 5,713,007,168.31/84,686.51 - Step 6: Final answer
x = 67,460.65
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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.