Finding the Fourth Proportional to 68,017.75, 101,968.19 and 23,638.74
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Solution
The fourth proportional to 68,017.75, 101,968.19 and 23,638.74 is: 35,437.80
Step by Step Solution
- Step 1: Write the proportion equation
68,017.75 : 101,968.19 = 23,638.74 : x - Step 2: Convert to fraction form
68,017.75/101,968.19 = 23,638.74/x - Step 3: Cross multiply
68,017.75x = 101,968.19 × 23,638.74 - Step 4: Simplify right side
68,017.75x = 2,410,399,186.24 - Step 5: Solve for x
x = 2,410,399,186.24/68,017.75 - Step 6: Final answer
x = 35,437.80
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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.