Finding the Fourth Proportional to 72,136.52, 108,194.68 and 24,750.84
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Solution
The fourth proportional to 72,136.52, 108,194.68 and 24,750.84 is: 37,122.79
Step by Step Solution
- Step 1: Write the proportion equation
72,136.52 : 108,194.68 = 24,750.84 : x - Step 2: Convert to fraction form
72,136.52/108,194.68 = 24,750.84/x - Step 3: Cross multiply
72,136.52x = 108,194.68 × 24,750.84 - Step 4: Simplify right side
72,136.52x = 2,677,909,213.53 - Step 5: Solve for x
x = 2,677,909,213.53/72,136.52 - Step 6: Final answer
x = 37,122.79
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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.