Finding the Fourth Proportional to 79,221.14, 118,823.97 and 32,470.46
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Solution
The fourth proportional to 79,221.14, 118,823.97 and 32,470.46 is: 48,702.52
Step by Step Solution
- Step 1: Write the proportion equation
79,221.14 : 118,823.97 = 32,470.46 : x - Step 2: Convert to fraction form
79,221.14/118,823.97 = 32,470.46/x - Step 3: Cross multiply
79,221.14x = 118,823.97 × 32,470.46 - Step 4: Simplify right side
79,221.14x = 3,858,268,964.93 - Step 5: Solve for x
x = 3,858,268,964.93/79,221.14 - Step 6: Final answer
x = 48,702.52
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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.