Finding the Fourth Proportional to 79,038.38, 118,650.18 and 62,409.62
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Solution
The fourth proportional to 79,038.38, 118,650.18 and 62,409.62 is: 93,687.56
Step by Step Solution
- Step 1: Write the proportion equation
79,038.38 : 118,650.18 = 62,409.62 : x - Step 2: Convert to fraction form
79,038.38/118,650.18 = 62,409.62/x - Step 3: Cross multiply
79,038.38x = 118,650.18 × 62,409.62 - Step 4: Simplify right side
79,038.38x = 7,404,912,646.73 - Step 5: Solve for x
x = 7,404,912,646.73/79,038.38 - Step 6: Final answer
x = 93,687.56
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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.