Finding the Fourth Proportional to 80,916.96, 121,390.03 and 24,756.02
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Solution
The fourth proportional to 80,916.96, 121,390.03 and 24,756.02 is: 37,138.49
Step by Step Solution
- Step 1: Write the proportion equation
80,916.96 : 121,390.03 = 24,756.02 : x - Step 2: Convert to fraction form
80,916.96/121,390.03 = 24,756.02/x - Step 3: Cross multiply
80,916.96x = 121,390.03 × 24,756.02 - Step 4: Simplify right side
80,916.96x = 3,005,133,645.12 - Step 5: Solve for x
x = 3,005,133,645.12/80,916.96 - Step 6: Final answer
x = 37,138.49
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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.