Finding the Fourth Proportional to 79,239.62, 118,863.09 and 29,310.41
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Solution
The fourth proportional to 79,239.62, 118,863.09 and 29,310.41 is: 43,966.96
Step by Step Solution
- Step 1: Write the proportion equation
79,239.62 : 118,863.09 = 29,310.41 : x - Step 2: Convert to fraction form
79,239.62/118,863.09 = 29,310.41/x - Step 3: Cross multiply
79,239.62x = 118,863.09 × 29,310.41 - Step 4: Simplify right side
79,239.62x = 3,483,925,307.45 - Step 5: Solve for x
x = 3,483,925,307.45/79,239.62 - Step 6: Final answer
x = 43,966.96
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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.