Finding the Fourth Proportional to 73,683.67, 101,683.46 and 40,149.67
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Solution
The fourth proportional to 73,683.67, 101,683.46 and 40,149.67 is: 55,406.54
Step by Step Solution
- Step 1: Write the proportion equation
73,683.67 : 101,683.46 = 40,149.67 : x - Step 2: Convert to fraction form
73,683.67/101,683.46 = 40,149.67/x - Step 3: Cross multiply
73,683.67x = 101,683.46 × 40,149.67 - Step 4: Simplify right side
73,683.67x = 4,082,557,363.46 - Step 5: Solve for x
x = 4,082,557,363.46/73,683.67 - Step 6: Final answer
x = 55,406.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.