Finding the Fourth Proportional to 75,986.80, 104,876.08 and 44,157.44
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Solution
The fourth proportional to 75,986.80, 104,876.08 and 44,157.44 is: 60,945.57
Step by Step Solution
- Step 1: Write the proportion equation
75,986.80 : 104,876.08 = 44,157.44 : x - Step 2: Convert to fraction form
75,986.80/104,876.08 = 44,157.44/x - Step 3: Cross multiply
75,986.80x = 104,876.08 × 44,157.44 - Step 4: Simplify right side
75,986.80x = 4,631,059,210.04 - Step 5: Solve for x
x = 4,631,059,210.04/75,986.80 - Step 6: Final answer
x = 60,945.57
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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.