Finding the Fourth Proportional to 80,734.19, 121,107.47 and 24,579.09
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Solution
The fourth proportional to 80,734.19, 121,107.47 and 24,579.09 is: 36,870.52
Step by Step Solution
- Step 1: Write the proportion equation
80,734.19 : 121,107.47 = 24,579.09 : x - Step 2: Convert to fraction form
80,734.19/121,107.47 = 24,579.09/x - Step 3: Cross multiply
80,734.19x = 121,107.47 × 24,579.09 - Step 4: Simplify right side
80,734.19x = 2,976,711,281.91 - Step 5: Solve for x
x = 2,976,711,281.91/80,734.19 - Step 6: Final answer
x = 36,870.52
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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.