Finding the Fourth Proportional to 69,087.75, 103,631.63 and 22,340.63
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Solution
The fourth proportional to 69,087.75, 103,631.63 and 22,340.63 is: 33,510.95
Step by Step Solution
- Step 1: Write the proportion equation
69,087.75 : 103,631.63 = 22,340.63 : x - Step 2: Convert to fraction form
69,087.75/103,631.63 = 22,340.63/x - Step 3: Cross multiply
69,087.75x = 103,631.63 × 22,340.63 - Step 4: Simplify right side
69,087.75x = 2,315,195,902.13 - Step 5: Solve for x
x = 2,315,195,902.13/69,087.75 - Step 6: Final answer
x = 33,510.95
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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.