Finding the Fourth Proportional to 84,759.14, 116,968.30 and 47,034.02
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Solution
The fourth proportional to 84,759.14, 116,968.30 and 47,034.02 is: 64,907.32
Step by Step Solution
- Step 1: Write the proportion equation
84,759.14 : 116,968.30 = 47,034.02 : x - Step 2: Convert to fraction form
84,759.14/116,968.30 = 47,034.02/x - Step 3: Cross multiply
84,759.14x = 116,968.30 × 47,034.02 - Step 4: Simplify right side
84,759.14x = 5,501,488,659.14 - Step 5: Solve for x
x = 5,501,488,659.14/84,759.14 - Step 6: Final answer
x = 64,907.32
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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.