Finding the Fourth Proportional to 77,253.24, 106,611.36 and 43,261.44
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Solution
The fourth proportional to 77,253.24, 106,611.36 and 43,261.44 is: 59,701.84
Step by Step Solution
- Step 1: Write the proportion equation
77,253.24 : 106,611.36 = 43,261.44 : x - Step 2: Convert to fraction form
77,253.24/106,611.36 = 43,261.44/x - Step 3: Cross multiply
77,253.24x = 106,611.36 × 43,261.44 - Step 4: Simplify right side
77,253.24x = 4,612,160,953.96 - Step 5: Solve for x
x = 4,612,160,953.96/77,253.24 - Step 6: Final answer
x = 59,701.84
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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.