Finding the Fourth Proportional to 67,329.18, 100,581.76 and 48,448.08
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Solution
The fourth proportional to 67,329.18, 100,581.76 and 48,448.08 is: 72,375.65
Step by Step Solution
- Step 1: Write the proportion equation
67,329.18 : 100,581.76 = 48,448.08 : x - Step 2: Convert to fraction form
67,329.18/100,581.76 = 48,448.08/x - Step 3: Cross multiply
67,329.18x = 100,581.76 × 48,448.08 - Step 4: Simplify right side
67,329.18x = 4,872,993,155.02 - Step 5: Solve for x
x = 4,872,993,155.02/67,329.18 - Step 6: Final answer
x = 72,375.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.