Finding the Fourth Proportional to 50,099.99, 69,136.74 and 27,439.02
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Solution
The fourth proportional to 50,099.99, 69,136.74 and 27,439.02 is: 37,865.17
Step by Step Solution
- Step 1: Write the proportion equation
50,099.99 : 69,136.74 = 27,439.02 : x - Step 2: Convert to fraction form
50,099.99/69,136.74 = 27,439.02/x - Step 3: Cross multiply
50,099.99x = 69,136.74 × 27,439.02 - Step 4: Simplify right side
50,099.99x = 1,897,044,391.59 - Step 5: Solve for x
x = 1,897,044,391.59/50,099.99 - Step 6: Final answer
x = 37,865.17
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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.