Finding the Fourth Proportional to 80,740.64, 121,096.68 and 24,567.20
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Solution
The fourth proportional to 80,740.64, 121,096.68 and 24,567.20 is: 36,846.45
Step by Step Solution
- Step 1: Write the proportion equation
80,740.64 : 121,096.68 = 24,567.20 : x - Step 2: Convert to fraction form
80,740.64/121,096.68 = 24,567.20/x - Step 3: Cross multiply
80,740.64x = 121,096.68 × 24,567.20 - Step 4: Simplify right side
80,740.64x = 2,975,006,356.90 - Step 5: Solve for x
x = 2,975,006,356.90/80,740.64 - Step 6: Final answer
x = 36,846.45
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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.