Finding the Fourth Proportional to 79,430.30, 118,963.99 and 37,906.46
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Solution
The fourth proportional to 79,430.30, 118,963.99 and 37,906.46 is: 56,773.09
Step by Step Solution
- Step 1: Write the proportion equation
79,430.30 : 118,963.99 = 37,906.46 : x - Step 2: Convert to fraction form
79,430.30/118,963.99 = 37,906.46/x - Step 3: Cross multiply
79,430.30x = 118,963.99 × 37,906.46 - Step 4: Simplify right side
79,430.30x = 4,509,503,728.38 - Step 5: Solve for x
x = 4,509,503,728.38/79,430.30 - Step 6: Final answer
x = 56,773.09
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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.