Finding the Fourth Proportional to 67,389.75, 101,089.49 and 25,836.75
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Solution
The fourth proportional to 67,389.75, 101,089.49 and 25,836.75 is: 38,756.99
Step by Step Solution
- Step 1: Write the proportion equation
67,389.75 : 101,089.49 = 25,836.75 : x - Step 2: Convert to fraction form
67,389.75/101,089.49 = 25,836.75/x - Step 3: Cross multiply
67,389.75x = 101,089.49 × 25,836.75 - Step 4: Simplify right side
67,389.75x = 2,611,823,880.76 - Step 5: Solve for x
x = 2,611,823,880.76/67,389.75 - Step 6: Final answer
x = 38,756.99
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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.