Finding the Fourth Proportional to 79,049.79, 118,621.44 and 29,164.95
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Solution
The fourth proportional to 79,049.79, 118,621.44 and 29,164.95 is: 43,764.67
Step by Step Solution
- Step 1: Write the proportion equation
79,049.79 : 118,621.44 = 29,164.95 : x - Step 2: Convert to fraction form
79,049.79/118,621.44 = 29,164.95/x - Step 3: Cross multiply
79,049.79x = 118,621.44 × 29,164.95 - Step 4: Simplify right side
79,049.79x = 3,459,588,366.53 - Step 5: Solve for x
x = 3,459,588,366.53/79,049.79 - Step 6: Final answer
x = 43,764.67
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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.