Finding the Fourth Proportional to 83,636.28, 115,567.62 and 62,212.44
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Solution
The fourth proportional to 83,636.28, 115,567.62 and 62,212.44 is: 85,964.41
Step by Step Solution
- Step 1: Write the proportion equation
83,636.28 : 115,567.62 = 62,212.44 : x - Step 2: Convert to fraction form
83,636.28/115,567.62 = 62,212.44/x - Step 3: Cross multiply
83,636.28x = 115,567.62 × 62,212.44 - Step 4: Simplify right side
83,636.28x = 7,189,743,625.19 - Step 5: Solve for x
x = 7,189,743,625.19/83,636.28 - Step 6: Final answer
x = 85,964.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.