Finding the Fourth Proportional to 77,695.18, 116,525.91 and 27,778.73
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Solution
The fourth proportional to 77,695.18, 116,525.91 and 27,778.73 is: 41,662.07
Step by Step Solution
- Step 1: Write the proportion equation
77,695.18 : 116,525.91 = 27,778.73 : x - Step 2: Convert to fraction form
77,695.18/116,525.91 = 27,778.73/x - Step 3: Cross multiply
77,695.18x = 116,525.91 × 27,778.73 - Step 4: Simplify right side
77,695.18x = 3,236,941,791.89 - Step 5: Solve for x
x = 3,236,941,791.89/77,695.18 - Step 6: Final answer
x = 41,662.07
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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.