Finding the Fourth Proportional to 76,992.68, 115,488.84 and 41,858.48
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Solution
The fourth proportional to 76,992.68, 115,488.84 and 41,858.48 is: 62,787.62
Step by Step Solution
- Step 1: Write the proportion equation
76,992.68 : 115,488.84 = 41,858.48 : x - Step 2: Convert to fraction form
76,992.68/115,488.84 = 41,858.48/x - Step 3: Cross multiply
76,992.68x = 115,488.84 × 41,858.48 - Step 4: Simplify right side
76,992.68x = 4,834,187,299.36 - Step 5: Solve for x
x = 4,834,187,299.36/76,992.68 - Step 6: Final answer
x = 62,787.62
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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.