Finding the Fourth Proportional to 73,779.12, 110,647.08 and 29,391.12
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Solution
The fourth proportional to 73,779.12, 110,647.08 and 29,391.12 is: 44,078.08
Step by Step Solution
- Step 1: Write the proportion equation
73,779.12 : 110,647.08 = 29,391.12 : x - Step 2: Convert to fraction form
73,779.12/110,647.08 = 29,391.12/x - Step 3: Cross multiply
73,779.12x = 110,647.08 × 29,391.12 - Step 4: Simplify right side
73,779.12x = 3,252,041,605.93 - Step 5: Solve for x
x = 3,252,041,605.93/73,779.12 - Step 6: Final answer
x = 44,078.08
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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.