Finding the Fourth Proportional to 77,322.97, 115,951.65 and 27,415.63
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Solution
The fourth proportional to 77,322.97, 115,951.65 and 27,415.63 is: 41,111.81
Step by Step Solution
- Step 1: Write the proportion equation
77,322.97 : 115,951.65 = 27,415.63 : x - Step 2: Convert to fraction form
77,322.97/115,951.65 = 27,415.63/x - Step 3: Cross multiply
77,322.97x = 115,951.65 × 27,415.63 - Step 4: Simplify right side
77,322.97x = 3,178,887,534.29 - Step 5: Solve for x
x = 3,178,887,534.29/77,322.97 - Step 6: Final answer
x = 41,111.81
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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.