Finding the Fourth Proportional to 78,807.05, 118,245.26 and 41,358.09
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Solution
The fourth proportional to 78,807.05, 118,245.26 and 41,358.09 is: 62,055.35
Step by Step Solution
- Step 1: Write the proportion equation
78,807.05 : 118,245.26 = 41,358.09 : x - Step 2: Convert to fraction form
78,807.05/118,245.26 = 41,358.09/x - Step 3: Cross multiply
78,807.05x = 118,245.26 × 41,358.09 - Step 4: Simplify right side
78,807.05x = 4,890,398,651.97 - Step 5: Solve for x
x = 4,890,398,651.97/78,807.05 - Step 6: Final answer
x = 62,055.35
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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.