Finding the Fourth Proportional to 80,866.86, 121,318.74 and 24,714.95
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Solution
The fourth proportional to 80,866.86, 121,318.74 and 24,714.95 is: 37,078.07
Step by Step Solution
- Step 1: Write the proportion equation
80,866.86 : 121,318.74 = 24,714.95 : x - Step 2: Convert to fraction form
80,866.86/121,318.74 = 24,714.95/x - Step 3: Cross multiply
80,866.86x = 121,318.74 × 24,714.95 - Step 4: Simplify right side
80,866.86x = 2,998,386,989.14 - Step 5: Solve for x
x = 2,998,386,989.14/80,866.86 - Step 6: Final answer
x = 37,078.07
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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.