Finding the Fourth Proportional to 80,579.19, 120,754.18 and 59,352.31
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Solution
The fourth proportional to 80,579.19, 120,754.18 and 59,352.31 is: 88,944.05
Step by Step Solution
- Step 1: Write the proportion equation
80,579.19 : 120,754.18 = 59,352.31 : x - Step 2: Convert to fraction form
80,579.19/120,754.18 = 59,352.31/x - Step 3: Cross multiply
80,579.19x = 120,754.18 × 59,352.31 - Step 4: Simplify right side
80,579.19x = 7,167,039,525.16 - Step 5: Solve for x
x = 7,167,039,525.16/80,579.19 - Step 6: Final answer
x = 88,944.05
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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.