Finding the Fourth Proportional to 80,956.62, 121,488.84 and 28,366.02
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Solution
The fourth proportional to 80,956.62, 121,488.84 and 28,366.02 is: 42,567.92
Step by Step Solution
- Step 1: Write the proportion equation
80,956.62 : 121,488.84 = 28,366.02 : x - Step 2: Convert to fraction form
80,956.62/121,488.84 = 28,366.02/x - Step 3: Cross multiply
80,956.62x = 121,488.84 × 28,366.02 - Step 4: Simplify right side
80,956.62x = 3,446,154,865.22 - Step 5: Solve for x
x = 3,446,154,865.22/80,956.62 - Step 6: Final answer
x = 42,567.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.