Finding the Fourth Proportional to 80,918.47, 121,392.27 and 24,757.53
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Solution
The fourth proportional to 80,918.47, 121,392.27 and 24,757.53 is: 37,140.75
Step by Step Solution
- Step 1: Write the proportion equation
80,918.47 : 121,392.27 = 24,757.53 : x - Step 2: Convert to fraction form
80,918.47/121,392.27 = 24,757.53/x - Step 3: Cross multiply
80,918.47x = 121,392.27 × 24,757.53 - Step 4: Simplify right side
80,918.47x = 3,005,372,766.29 - Step 5: Solve for x
x = 3,005,372,766.29/80,918.47 - Step 6: Final answer
x = 37,140.75
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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.