Finding the Fourth Proportional to 80,649.71, 120,966.75 and 24,490.31
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Solution
The fourth proportional to 80,649.71, 120,966.75 and 24,490.31 is: 36,733.09
Step by Step Solution
- Step 1: Write the proportion equation
80,649.71 : 120,966.75 = 24,490.31 : x - Step 2: Convert to fraction form
80,649.71/120,966.75 = 24,490.31/x - Step 3: Cross multiply
80,649.71x = 120,966.75 × 24,490.31 - Step 4: Simplify right side
80,649.71x = 2,962,513,207.19 - Step 5: Solve for x
x = 2,962,513,207.19/80,649.71 - Step 6: Final answer
x = 36,733.09
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1.5x scale
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.