Finding the Fourth Proportional to 75,851.91, 113,780.29 and 25,929.99
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Solution
The fourth proportional to 75,851.91, 113,780.29 and 25,929.99 is: 38,895.81
Step by Step Solution
- Step 1: Write the proportion equation
75,851.91 : 113,780.29 = 25,929.99 : x - Step 2: Convert to fraction form
75,851.91/113,780.29 = 25,929.99/x - Step 3: Cross multiply
75,851.91x = 113,780.29 × 25,929.99 - Step 4: Simplify right side
75,851.91x = 2,950,321,781.90 - Step 5: Solve for x
x = 2,950,321,781.90/75,851.91 - Step 6: Final answer
x = 38,895.81
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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.