Finding the Fourth Proportional to 78,272.58, 117,418.11 and 24,946.05
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Solution
The fourth proportional to 78,272.58, 117,418.11 and 24,946.05 is: 37,422.02
Step by Step Solution
- Step 1: Write the proportion equation
78,272.58 : 117,418.11 = 24,946.05 : x - Step 2: Convert to fraction form
78,272.58/117,418.11 = 24,946.05/x - Step 3: Cross multiply
78,272.58x = 117,418.11 × 24,946.05 - Step 4: Simplify right side
78,272.58x = 2,929,118,042.97 - Step 5: Solve for x
x = 2,929,118,042.97/78,272.58 - Step 6: Final answer
x = 37,422.02
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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.