Finding the Fourth Proportional to 79,430.80, 118,964.74 and 37,906.96
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Solution
The fourth proportional to 79,430.80, 118,964.74 and 37,906.96 is: 56,773.84
Step by Step Solution
- Step 1: Write the proportion equation
79,430.80 : 118,964.74 = 37,906.96 : x - Step 2: Convert to fraction form
79,430.80/118,964.74 = 37,906.96/x - Step 3: Cross multiply
79,430.80x = 118,964.74 × 37,906.96 - Step 4: Simplify right side
79,430.80x = 4,509,591,640.59 - Step 5: Solve for x
x = 4,509,591,640.59/79,430.80 - Step 6: Final answer
x = 56,773.84
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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.