Finding the Fourth Proportional to 83,841.90, 125,736.12 and 27,671.58
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Solution
The fourth proportional to 83,841.90, 125,736.12 and 27,671.58 is: 41,498.55
Step by Step Solution
- Step 1: Write the proportion equation
83,841.90 : 125,736.12 = 27,671.58 : x - Step 2: Convert to fraction form
83,841.90/125,736.12 = 27,671.58/x - Step 3: Cross multiply
83,841.90x = 125,736.12 × 27,671.58 - Step 4: Simplify right side
83,841.90x = 3,479,317,103.47 - Step 5: Solve for x
x = 3,479,317,103.47/83,841.90 - Step 6: Final answer
x = 41,498.55
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1.5x scale
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.