Finding the Fourth Proportional to 79,430.05, 119,202.44 and 46,105.64
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Solution
The fourth proportional to 79,430.05, 119,202.44 and 46,105.64 is: 69,191.75
Step by Step Solution
- Step 1: Write the proportion equation
79,430.05 : 119,202.44 = 46,105.64 : x - Step 2: Convert to fraction form
79,430.05/119,202.44 = 46,105.64/x - Step 3: Cross multiply
79,430.05x = 119,202.44 × 46,105.64 - Step 4: Simplify right side
79,430.05x = 5,495,904,406.23 - Step 5: Solve for x
x = 5,495,904,406.23/79,430.05 - Step 6: Final answer
x = 69,191.75
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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.