Finding the Fourth Proportional to 71,625.44, 107,438.80 and 29,495.52
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Solution
The fourth proportional to 71,625.44, 107,438.80 and 29,495.52 is: 44,243.54
Step by Step Solution
- Step 1: Write the proportion equation
71,625.44 : 107,438.80 = 29,495.52 : x - Step 2: Convert to fraction form
71,625.44/107,438.80 = 29,495.52/x - Step 3: Cross multiply
71,625.44x = 107,438.80 × 29,495.52 - Step 4: Simplify right side
71,625.44x = 3,168,963,274.18 - Step 5: Solve for x
x = 3,168,963,274.18/71,625.44 - Step 6: Final answer
x = 44,243.54
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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.