Finding the Fourth Proportional to 77,732.99, 116,610.41 and 38,290.44
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Solution
The fourth proportional to 77,732.99, 116,610.41 and 38,290.44 is: 57,441.05
Step by Step Solution
- Step 1: Write the proportion equation
77,732.99 : 116,610.41 = 38,290.44 : x - Step 2: Convert to fraction form
77,732.99/116,610.41 = 38,290.44/x - Step 3: Cross multiply
77,732.99x = 116,610.41 × 38,290.44 - Step 4: Simplify right side
77,732.99x = 4,465,064,003.21 - Step 5: Solve for x
x = 4,465,064,003.21/77,732.99 - Step 6: Final answer
x = 57,441.05
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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.