Finding the Fourth Proportional to 80,929.13, 121,411.71 and 24,777.09
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Solution
The fourth proportional to 80,929.13, 121,411.71 and 24,777.09 is: 37,171.15
Step by Step Solution
- Step 1: Write the proportion equation
80,929.13 : 121,411.71 = 24,777.09 : x - Step 2: Convert to fraction form
80,929.13/121,411.71 = 24,777.09/x - Step 3: Cross multiply
80,929.13x = 121,411.71 × 24,777.09 - Step 4: Simplify right side
80,929.13x = 3,008,228,865.72 - Step 5: Solve for x
x = 3,008,228,865.72/80,929.13 - Step 6: Final answer
x = 37,171.15
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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.