Finding the Fourth Proportional to 108,372.09, 162,559.33 and 48,403.62
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Solution
The fourth proportional to 108,372.09, 162,559.33 and 48,403.62 is: 72,605.95
Step by Step Solution
- Step 1: Write the proportion equation
108,372.09 : 162,559.33 = 48,403.62 : x - Step 2: Convert to fraction form
108,372.09/162,559.33 = 48,403.62/x - Step 3: Cross multiply
108,372.09x = 162,559.33 × 48,403.62 - Step 4: Simplify right side
108,372.09x = 7,868,458,981.96 - Step 5: Solve for x
x = 7,868,458,981.96/108,372.09 - Step 6: Final answer
x = 72,605.95
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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.