Finding the Fourth Proportional to 84,008.88, 115,934.88 and 48,205.44
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Solution
The fourth proportional to 84,008.88, 115,934.88 and 48,205.44 is: 66,525.01
Step by Step Solution
- Step 1: Write the proportion equation
84,008.88 : 115,934.88 = 48,205.44 : x - Step 2: Convert to fraction form
84,008.88/115,934.88 = 48,205.44/x - Step 3: Cross multiply
84,008.88x = 115,934.88 × 48,205.44 - Step 4: Simplify right side
84,008.88x = 5,588,691,901.75 - Step 5: Solve for x
x = 5,588,691,901.75/84,008.88 - Step 6: Final answer
x = 66,525.01
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1.5x scale
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.