Finding the Fourth Proportional to 76,051.10, 114,067.93 and 19,896.63
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Solution
The fourth proportional to 76,051.10, 114,067.93 and 19,896.63 is: 29,842.66
Step by Step Solution
- Step 1: Write the proportion equation
76,051.10 : 114,067.93 = 19,896.63 : x - Step 2: Convert to fraction form
76,051.10/114,067.93 = 19,896.63/x - Step 3: Cross multiply
76,051.10x = 114,067.93 × 19,896.63 - Step 4: Simplify right side
76,051.10x = 2,269,566,995.19 - Step 5: Solve for x
x = 2,269,566,995.19/76,051.10 - Step 6: Final answer
x = 29,842.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.