Finding the Fourth Proportional to 83,636.90, 125,428.92 and 27,467.75
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Solution
The fourth proportional to 83,636.90, 125,428.92 and 27,467.75 is: 41,192.95
Step by Step Solution
- Step 1: Write the proportion equation
83,636.90 : 125,428.92 = 27,467.75 : x - Step 2: Convert to fraction form
83,636.90/125,428.92 = 27,467.75/x - Step 3: Cross multiply
83,636.90x = 125,428.92 × 27,467.75 - Step 4: Simplify right side
83,636.90x = 3,445,250,427.90 - Step 5: Solve for x
x = 3,445,250,427.90/83,636.90 - Step 6: Final answer
x = 41,192.95
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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.