Finding the Fourth Proportional to 83,047.80, 124,494.94 and 33,115.75
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Solution
The fourth proportional to 83,047.80, 124,494.94 and 33,115.75 is: 49,643.02
Step by Step Solution
- Step 1: Write the proportion equation
83,047.80 : 124,494.94 = 33,115.75 : x - Step 2: Convert to fraction form
83,047.80/124,494.94 = 33,115.75/x - Step 3: Cross multiply
83,047.80x = 124,494.94 × 33,115.75 - Step 4: Simplify right side
83,047.80x = 4,122,743,309.31 - Step 5: Solve for x
x = 4,122,743,309.31/83,047.80 - Step 6: Final answer
x = 49,643.02
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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.