Finding the Fourth Proportional to 79,102.24, 118,654.88 and 36,970.76
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Solution
The fourth proportional to 79,102.24, 118,654.88 and 36,970.76 is: 55,456.85
Step by Step Solution
- Step 1: Write the proportion equation
79,102.24 : 118,654.88 = 36,970.76 : x - Step 2: Convert to fraction form
79,102.24/118,654.88 = 36,970.76/x - Step 3: Cross multiply
79,102.24x = 118,654.88 × 36,970.76 - Step 4: Simplify right side
79,102.24x = 4,386,761,091.31 - Step 5: Solve for x
x = 4,386,761,091.31/79,102.24 - Step 6: Final answer
x = 55,456.85
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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.