Finding the Fourth Proportional to 99,367.44, 137,124.36 and 54,655.44
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Solution
The fourth proportional to 99,367.44, 137,124.36 and 54,655.44 is: 75,423.02
Step by Step Solution
- Step 1: Write the proportion equation
99,367.44 : 137,124.36 = 54,655.44 : x - Step 2: Convert to fraction form
99,367.44/137,124.36 = 54,655.44/x - Step 3: Cross multiply
99,367.44x = 137,124.36 × 54,655.44 - Step 4: Simplify right side
99,367.44x = 7,494,592,230.52 - Step 5: Solve for x
x = 7,494,592,230.52/99,367.44 - Step 6: Final answer
x = 75,423.02
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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.