Finding the Fourth Proportional to 83,764.67, 125,655.30 and 27,605.34
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Solution
The fourth proportional to 83,764.67, 125,655.30 and 27,605.34 is: 41,410.75
Step by Step Solution
- Step 1: Write the proportion equation
83,764.67 : 125,655.30 = 27,605.34 : x - Step 2: Convert to fraction form
83,764.67/125,655.30 = 27,605.34/x - Step 3: Cross multiply
83,764.67x = 125,655.30 × 27,605.34 - Step 4: Simplify right side
83,764.67x = 3,468,757,279.30 - Step 5: Solve for x
x = 3,468,757,279.30/83,764.67 - Step 6: Final answer
x = 41,410.75
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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.