Finding the Fourth Proportional to 75,379.14, 104,019.35 and 44,753.55
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Solution
The fourth proportional to 75,379.14, 104,019.35 and 44,753.55 is: 61,757.61
Step by Step Solution
- Step 1: Write the proportion equation
75,379.14 : 104,019.35 = 44,753.55 : x - Step 2: Convert to fraction form
75,379.14/104,019.35 = 44,753.55/x - Step 3: Cross multiply
75,379.14x = 104,019.35 × 44,753.55 - Step 4: Simplify right side
75,379.14x = 4,655,235,181.19 - Step 5: Solve for x
x = 4,655,235,181.19/75,379.14 - Step 6: Final answer
x = 61,757.61
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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.