Finding the Fourth Proportional to 76,701.36, 115,033.82 and 34,555.44
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Solution
The fourth proportional to 76,701.36, 115,033.82 and 34,555.44 is: 51,824.95
Step by Step Solution
- Step 1: Write the proportion equation
76,701.36 : 115,033.82 = 34,555.44 : x - Step 2: Convert to fraction form
76,701.36/115,033.82 = 34,555.44/x - Step 3: Cross multiply
76,701.36x = 115,033.82 × 34,555.44 - Step 4: Simplify right side
76,701.36x = 3,975,044,717.95 - Step 5: Solve for x
x = 3,975,044,717.95/76,701.36 - Step 6: Final answer
x = 51,824.95
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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.