Finding the Fourth Proportional to 71,726.42, 107,588.41 and 24,978.08
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Solution
The fourth proportional to 71,726.42, 107,588.41 and 24,978.08 is: 37,466.70
Step by Step Solution
- Step 1: Write the proportion equation
71,726.42 : 107,588.41 = 24,978.08 : x - Step 2: Convert to fraction form
71,726.42/107,588.41 = 24,978.08/x - Step 3: Cross multiply
71,726.42x = 107,588.41 × 24,978.08 - Step 4: Simplify right side
71,726.42x = 2,687,351,912.05 - Step 5: Solve for x
x = 2,687,351,912.05/71,726.42 - Step 6: Final answer
x = 37,466.70
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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.